It is theoretically possible that bacteria developed on Mars early in its history and that some were carried to Earth by a meteorite.

从理论上讲，细菌可能是在火星的早期发展起来的，其中一些是由陨石带到地球的。

youdao

A "subprime borrower" is somebody who has a poor credit history or some other indication that would suggest that they might not be able to repay the mortgage.

“次级借款人”指的是，那些信用记录较差的借款人，或在其他方面显示，他们很可能无力偿还贷款。

youdao

The future of space tourism may be uncertain, but history suggests that some kind of adventure space travel is nearly inevitable.

空间旅游业的未来也许充满变数，但历史告诉我们飞向外层空间的冒险几乎不可避免。

youdao

And then there is also trying to communicate some kind of information about history, it is maybe not facts, but some kind of feeling about the places that the music is coming from."

VOA: standard.2010.02.25

A "Subprime borrower" Is somebody who has a poor credit history or some other indication that would suggest that they might not be able to repay the mortgage-- they might default.

次级借款人"指的是,那些信用记录较差的借款人,或在其他方面显示,他们很可能无力偿还贷款,也就是说他们很可能违约

耶鲁公开课 - 金融市场课程节选

The good news is that our cycle work suggests that this bull has some life left and if history is any guide, a gain in excess of 20% may still be in the cards.

FORBES: DJIA Powers Ahead While Other Indices Falter

What perplexes me is why some seem to think that this is an earth shattering day in the history of retail brokerage.

FORBES: For Merrill Brokers, Krawcheck Exit Is Yet Another BofA-Induced Headache

One problem, says Duncan Reed of the Centre for Ecology and Hydrology, is that some planners have short memories, ignoring a history of flooding if there hasn't been any recently.

ECONOMIST: A hard rain