Yet what triggers any given asthma attack is often unclear and, as a consequence, most asthmatics are not properly treated.
然而，人们往往并不清楚是什么诱发了任何特定哮喘的发作，其结果，大多数哮喘患者得不到妥善处置。
Don't worry if some of these rules seem a bit unclear at this point. I'll provide longer explanations and examples of the more common rules in action.
不必担心这些规则是否有点不清楚，后面还将详细地解释，并通过例子说明实际应用的更一般的规则。
The teacher may require a second proposal if the first is off-topic or unclear.
如果第一个提议偏离主题或不清楚，老师可能要求我们再提交一份提议。
Mary made a mark in the textbook, where the meaning of the sentence is unclear.
玛丽在课本上句子意思不清楚的地方做了一个记号。
For example, it is unclear whether the sequencing of a whole genome violates the patents of individual genes within it.
例如，目前还不清楚整个基因组的排序是否侵犯了其中单个基因组的专利权。
Afraid that in her unclear state of mind she might fall off the rock to her death, Grant climbed on all fours up a tight, narrow path by digging into the earth with his fingers and feet until he reached Paula.
担心她在神志不清的状态下会从岩石上掉下来摔死，格兰特手脚插入泥土，四肢并用地沿着一条狭窄的小路往上爬，一直爬到宝拉身边。
Also unclear is whether Davis was the victim of a robbery attempt.
还不清楚的是戴维斯是否是抢劫的受害者。
There is not too much that's complicated about a search box, but what to search may be unclear. Providing search examples and Suggestions is a good idea.
搜索框一点都不复杂，但是可以通过搜索框搜索什么并不是每个用户都很清晰，因此，提供一些搜索例子和建议是一个好的建议。
So it is unclear whether it can operate at a profit or not.
因此，FMG是否还能保持盈利尚不清楚。
So it's unclear whether this is an actual study, or a rumor.
所以不清楚这是一份实际调查还是一个谣言。
Anyone can start a user account, and it is often unclear whether an account holder has the rights to publish a specific video.
任何人都可以开个用户帐户，常常不清楚帐户持有者是否有权发布某个特定的视频。
But it was unclear yesterday whether the announcement will lead to a full-blown investigation.
但目前还不清楚，昨日的声明是否将导致一项全面的调查。
For example, it is unclear why a registry is necessary to "Avoid duplication of effort"; it is the governing policy that can request that special procurement to be applied to avoid duplication.
例如，注册库对于“避免重复工作”的必要性就不 清晰；可以提出应用于避免重复劳动的特殊购买（即购买服务注册库）申请的主体是治理政策。
The reason for this is a little unclear, but it's probably a combination of Confucian filial piety and the fact that the parents have sacrificed and done so much for their children.
有这种想法的原因不是很清楚，不过很可能是由于子女要孝顺父母的儒家观念，再加上父母也为了孩子做了许多牺牲，这两点相结合的原因吧！
But it is unclear if they are just a sign of disease or have a causal role.
但是是否可以成为疾病征兆或者和疾病有因果关系，就不得而知了。
Unclear ownership also raises a big obstacle to the improvements in land-use planning that REDD must bring about.
模糊的产权也为REDD计划必须实现的土地使用规划方面的改善制造了一大障碍。
It remains unclear whether a more consistent message would have changed the outcome.
目前还不清楚是否传达更加一致的信息就可以改变结果。
It is unclear whether obesity might have a greater impact in future.
目前尚不清楚肥胖症未来会否有更深刻的影响。
So it is unclear whether episodic gaming is a promising new business model or a fad with only limited appeal.
因此，人们还不清楚，章节游戏到底是前景广阔的新型商业模式，还是魅力有限的昙花一现。
More problematic, it is unclear that a clever, measured candidate stands a chance within the Republican Party.
更成问题的是，这位聪明慎重的候选人在共和党党内是否有机会还不明确。
It is unclear whether such a strategy would be seen as an act of bad faith that undermines the agreement, since the Nationals were not part of the discussions.
至于国家党的这种策略会否被视为恶意破坏该协议，现在还不清楚，毕竟国家党没有参与这项协议的谈判。
That is unclear, say researchers in a new paper published online in The Lancet.
目前尚未明确，这是研究人员在《柳叶刀》上新发表的一篇文章中表达的观点。
Until now, it has been unclear what happens during a navel-gazing session.
一直以来，人们并不清楚在深度内省的时候都发生了什么。
But whether pet owners as a group are a healthier lot has been unclear.
但，目前，尚未弄清楚养宠物的人作为一个群体，是否比其他人更加健康。
While details of when this might happen is unclear, a recent OECD report says that net American foreign aid actually fell by 9.7% in 2007.
关于何时增加救助量的细节还不清楚，而经济合作与发展组织(OECD)近期的一份报告指出，实际上2007年美国的净救助量下滑了9.7%。
Whether employers will intuit the value of a master’s in Jewish studies is unclear.
雇主是否知道犹太研究硕士学位的价值还不明朗。
Whether all this will prove to be a sustainable new model for the industry remains unclear: a lot depends on how the different companies involved divide up the costs and benefits.
现在还不能确定这种新方式能否被长期被行业采用，因为这还要看其中的公司在成本和获利上有多大不同。
[font=Verdana]What those other things will be is still unclear, but satellites are a possibility.
现在还很难确定“其他货物”究竟包括些什么，不过人造卫星很可能在其中占一席之地。
Doctors warn that it's unclear if the decrease marks a permanent decline.
医生警告称，目前还不清楚现在的下降是否意味着永久性的下降。
Doctors warn that it's unclear if the decrease marks a permanent decline.
医生警告称，目前还不清楚现在的下降是否意味着永久性的下降。
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