It's tempting to speculate about what might have happened.
大家不禁猜测，到底发生了什么事。
This has led scientists to speculate on the existence of other galaxies.
这就使得科学家推测还有其他星系存在。
The doctors speculate that he died of a cerebral haemorrhage caused by a blow on the head.
医生们猜测他死于头部撞击引起的脑溢血。
I mean it's interesting to speculate.
我的意思是，这是很有趣的推测。
He has bought himself time by refusing to speculate publicly on the cause of the blast.
他拒绝公开推测爆炸原因，为自己赢得了时间。
He refused to speculate on the possible effects on relations between the two governments.
他拒绝猜测这对两国政府关系可能产生的影响。
Other researchers speculate that sauropods ingested these stones as a source of some the minerals they needed, such as calcium.
其他研究人员推测，蜥脚类动物吞食这些石头是为了获取它们需要的一些矿物质，比如钙。
The researchers speculate that craft activities promote the development of nerve pathways in the brain that help to maintain cognitive health.
研究人员推测，手艺活动促进了大脑神经通路的发展，有助于保持认知健康。
"We can only speculate as to how the Egyptians could have laid out these lines with such precision using only the tools they had," Dash writes.
达什写道：“我们只能猜测，在仅用当时的工具的情况下，埃及人是怎样做到如此精确地铺线的。”
Some scientists speculate that Mars may have enjoyed an extended early period during which rivers, lakes, and perhaps even oceans adorned its surface.
一些科学家推测，火星在早期很长时间里可能都有以河流、湖泊，甚至海洋装点着它的表面。
Studies on nonalien species have not produced similar results, leading researchers to speculate that avian social learning may be fundamentally different from that of mammals.
对非外来物种的研究没有得到类似的结果，这使得研究人员推测鸟类的社会学习能力可能与哺乳动物的社会学习能力有根本性的区别。
This, in turn, has a major effect on their diet, leading scientists to speculate that the ability to learn population-specific hunting methods could be driving the animals' genetic development.
这进而对它们的饮食产生了重大影响，促使科学家们推测，学习特定种群狩猎方法的能力可能推动了这些动物的基因发育。
State and defend your opinion, analyze the issues, speculate about how things might have turned out differently.
陈述并捍卫你的观点，分析问题，思考事情可能会有怎样的不同结果。
It is premature to speculate about the resumption of negotiations.
考虑谈判的恢复还太早。
People speculate about virtuality systems, but we're already working on it.
人们对虚拟系统尚存疑虑，而我们已经在开发了。
我们对市场进行展望。
罗琳：你是这样猜测的？
The doctors speculate that he died of cancer.
医生推测他死于癌症。
That doesn't mean we can't speculate, though.
但这不意味着我们就不能进行推测。
He needed to speculate on the situation before making the decision.
他需要在做决定前推测一下形势。
Interviewer: I speculate, yes. I'm just asking whether you can tell us?
问：对，我只是想问一下，你……会不会把答案告诉我？
In the report, the authors do not speculate about what caused the disparities.
在这则报道中，作者没有对差距的原因作出猜测。
It's hard to speculate what could bring down the Net, but it's not impossible.
要想猜测出究竟什么会把互联网搞垮并不容易，但那并不是不可能的。
The authors said they can only speculate on the reasons behind the connections.
文章作者们表示他们只能对这些关联背后的原因进行猜测。
This might indicate a predisposition to elevated mood and mania, they speculate.
他们推测这可能表示易于情绪高涨或躁狂的体质。
These swaps are used to speculate on the likelihood of a borrower repaying its debt.
这些互换是用来对借款人偿还贷款的可能性作投机用的。
Speculators anticipate a sovereign default and speculate in this direction via CDSs.
投机者预期主权违约，通过CDS进行违约投机。
Speculators anticipate a sovereign default and speculate in this direction via CDSs.
投机者预期主权违约，通过CDS进行违约投机。
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