But there can be no general rules, nor standard time-scale.
但是不可能存在普适的规则，也不存在标准的时间表。
Usually no, but there can be a subtle difference in one case.
通常没有，但是有一种情况下会有一点细微的差别。
Some approaches will be addressed but there can be many others.
本文将讲述一些方法，但是还有许多其他的方法。
The middle two characters can be anything, but there can be only two of them.
中间两个字符可以是任何字符，但是只能是由两个字符组成。
It's an excellent solution, but there can only be a striker in front of him.
这是一个完美的解决方案，但是在他身前只能有一名前锋。
But there can be a few speed bumps along the way in the process of migrating to an AIX LPAR.
但是，在AIXLPAR迁移过程中总会出现一些拦路虎。
But there can be no guarantee of this, as email messages are transferred across the Internet.
但对此并没有任何保证，因为电子邮件讯息是经由互联网被传送的。
This seems simple enough, but there can be problems, depending upon the organization of your document.
这看起来很简单，但可能出现问题，这取决于文档的组织。
But there can be no return to the innocence of September 10th 2001-and, sadly, no end to the vigilance.
但是我们再也无法回到2001年9月10日那样的纯真年代了，而且不幸的是，永无宁日。
But there can be no doubt at all of the impact on our communities of the scale of crisis in British housing.
但是英国的住房危机程度对我们社会造成了巨大影响是毫无疑问的。
The individual functions in the program can produce the right answers and your tests can pass, but there can still be memory errors.
这个特殊的功能在程序中可以产生正确的答案，您的测试可以通过，但是仍然可能存在内存错误。
Services that are expected to run for a long time can be problematic to call using Ajax, but there can be valid cases for using them.
期待长期运行的服务来使用Ajax调用可能有问题，但是它们可能是有效的示例。
“When you reduce salt, ” Dr. Alderman said, “you reduce blood pressure, but there can also be other adverse and unintended consequences.
“你吃更少的盐，”阿尔德曼博士说，“你的血压会降低，可是也有可能导致其他相反和意想不到的后果。
Each byte in the entire file is taken by no more than one section at a time, but there can be orphan bytes that are not covered by a section.
整个文件中的每个字节每次只能由一个区段使用，不过可以存在不被任何区段所包含的孤立字节。
But there can be important differences for a number of application design reasons and it can also be affected because of the particular demands of the SaaS environment.
但是，出于许多应用程序设计方面的考虑，应用服务器的选择存在很重要的差别，对SaaS环境的特殊要求也会影响它的选择。
The mutual show of admiration was perhaps a little too forced but there can be no doubt that Ribéry's relationship with his manager has entered a new, happier phase.
两人都表示了相互的欣赏，这也许有些做作，但毫无疑问的是，里贝里和范加尔的关系进入了一个新的，并且令人满意的阶段。
At first it might sound like an oxymoron, but there can be real benefits to taking an event sourcing-influenced approach to database design for cloud-based applications.
虽然起初听起来像是有点矛盾，但是采用影响事件来源的方法来设计适用于基于云的应用程序的数据库，可能带来一些真正的好处。
That may have been a tad dramatic, but there can be no doubt about Mr Assange’s prominence among a group of unconventional new actors in the news business that have emerged lately.
这也许有些戏剧化，但在加入晚近刚出现的这个新闻产业的这群打破陈规旧俗的新人中间，阿桑奇无疑是鹤立鸡群的翘楚。 。
Look for the good in everything - You don't have to be a Pollyanna about life but there can be positive things about every situation if you will just make a point of identifying them.
积极看待每件事—不必盲目乐观，但如果你仔细辨别，每种境况下你都能发现积极的一面。
You can progress. But there is a limit. There definitely is a limit.
你可以继续发展。但是这儿会有限制。限制是绝对有的。
You can stand up, but don't stand there.
你可以站起来，但是不要站在那里。
If there are many conceptual issues, you can bring them to office hours, but please realize that there are always piecemeal hours.
如果有很多概念方面的问题，你完全可以把它们带到办公时间来，但是请认识到，总是有零零碎碎的时间的。
The sandbox is time-boxed, but there is no limit to how much you can use it.
沙箱是有时间限制的，但是对于您使用它的程度却没有限制。
Everything can be done faster and made cheaper, but there is a cost.
所有事都能以更快的速度、更低的价格完成，但是需要付出代价。
There is no known cure but the illness can be treated.
这种病尚没有确切的治愈方法，但可以医治。
There is no known cure but the illness can be treated.
这种病尚没有确切的治愈方法，但可以医治。
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