But she says it must be shown scientifically that cord blood stem cells cause improvement, and not other reasons.

VOA: special.2011.02.01

It must not be taken even if it's for the purposes of nourishment.

即使为了果腹，也不能引用。

耶鲁公开课 - 旧约导论课程节选

It must not be easy to write your own work.

你自己创作一定很难。

写作课程比较难 - SpeakingMax英语口语达人

The settlement must protect China's territorial rights so it would not be divided into foreign colonies.

VOA: special.2010.07.29

The possibilities of freedom must always, in their view, be balanced with the world as it as--not as it ought to be.

在他们看来,自由的存在可能性,必须与现实相结合,而不是理所当然的

耶鲁公开课 - 美国内战与重建课程节选

International Olympic Committee President Jacques Rogge told reporters Sunday that the tragedy must not be forgotten and that lessons can be learned from it.

VOA: standard.2010.03.01

From which it follows that my mind and my body must not be one thing.

因为我的心灵和我的身体,不是同一个东西

耶鲁公开课 - 死亡课程节选

He says he has worn it for two days and figures it must be working because he has not come down with the flu.

VOA: standard.2009.04.30

And so it doesn't seem plausible to suggest that we people must not be physical, merely physical, because after all, we can reason and no machine can reason.

所以,人不是物理对象,这一观点似乎并不能站稳脚跟,因为毕竟,我们人能推理而机器不能

耶鲁公开课 - 死亡课程节选

President Obama is said to have stated that, while the past must be understood, he is not there to argue history - and that it is time to "move on" to confront today's challenges.

VOA: standard.2009.04.18

"So we are really talking about drastic reductions, and they must come from countries which have overused their share of the global atmospheric space, which have a natural debt that must be paid, and I think if countries like India are asking for that, it is not wrong.

VOA: standard.2009.11.27