She says people might have difficulty completing an activity if they cannot expect some kind of reward in return.

VOA: special.2009.09.29

There're some things that cannot be computed.

总会有一些无法计算的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Many a scholar are very reluctant to admit that there's any Mycenaean stuff here, although they cannot fail to concede that some of the physical implements that are found at Mycenaean sites are precisely like what Homer says.

许多学者不愿承认,存在于迈锡尼文明时期的文物,尽管他们勉强同意,在迈锡尼文明遗址中发现的文物,和荷马描述的非常接近

耶鲁公开课 - 古希腊历史简介课程节选

Following the Moscow bombings, some international security experts say this kind of violence cannot be permanently stopped.

VOA: special.2010.04.03

If this theory you might say of sort of cataclysmic change is true we cannot rule out the possibility that a constitution like ours or even identical to ours existed at some point in the ancient past in the far distant past that Aristotle knew about.

你们可能认为，如果这个理论,即剧烈变革的理论为真,我们就不能排除,像美国宪法,或相同于美国之其它现存宪法,早在远古。

耶鲁公开课 - 政治哲学导论课程节选

Some people are excused for health or family reasons, or because they cannot take time from work.

VOA: special.2009.08.31

There's nothing you can throw at me that I cannot handle with some multiple of i and some multiple of j.

你们找不出任何一个我无法,用 i 和 j 的倍数来表示的矢量

耶鲁公开课 - 基础物理课程节选

They say some of the cost cuts are simply accounting tricks that cannot be repeated next year.

VOA: special.2009.07.31

"Some we cannot rule out are the constant discussions of so-called medical marijuana, marijuana legalization, and the downplaying of marijuana harms so prevalent in today's media."

VOA: special.2010.10.11

In some fields, like law enforcement, bad credit means you cannot get a job.

VOA: special.2009.04.10

She says she simply can do some things and cannot do others.

VOA: special.2009.10.30

"But the folks who have been looking for work without any luck for months and,in some cases,years, cannot wait any longer.

VOA: standard.2009.12.06

But Howells acknowledged the government cannot guarantee that some of the terror suspects picked up and held in other countries did not have their human rights abused.

VOA: standard.2009.08.10

"There are opportunities for small farmers in Africa in this market for some tropical products that cannot be grown in North America or Europe, for example products like organic cocoa or organic sugar,organic fruits and vegetables."

VOA: standard.2010.04.11

"First of all, we're asking to organize a corridor, not simply open the border, but to deploy some forces, which could lead people out who cannot get out of their houses, who are under siege, to help them cross the border, at least into Uzbekistan because it is the nearest country."

VOA: standard.2010.06.15