It is not WHO policy to charge for attendance at meetings.

对参加会议收取费用不是世卫组织的政策。

youdao

It is men, not women, who report being happier at home than at work.

说在家比上班更快乐的是男性，而不是女性。

youdao

It is still not clear who was behind the killing.

至今尚不清楚谁是这起谋杀案的幕后策划者。

《柯林斯英汉双解大词典》

It has several meanings. One meaning is that a person who never settles down in one place will not be successful.

VOA: special.2009.06.21

It's not simply that Galileo represents the admiring observer of Satan who is finally able to arrive at a just sense of his moral spots and imperfections.

伽利略并不仅仅代表了最终终于到达的,撒旦的崇拜者,来为他的道德缺憾和不完美进行辩解。

耶鲁公开课 - 弥尔顿课程节选

I'm not going to tell you who that is, but I want you to figure it out. Okay?

我不会告诉你们那是谁，我希望你们自己去弄清楚，好吗？

耶鲁公开课 - 1945年后的美国小说课程节选

It is not clear who is responsible for floods is it the Environment Agency or the local council?

ECONOMIST: The political and economic geography of inundation

Caldwell said it is not known who al-Baghdadi is or whether he exists, and Iraqis may have mistaken al-Jubouri for al-Baghdadi.

CNN: U.S. says terrorist in Jill Carroll kidnapping killed

It is not clear who is behind the posters declaring Dzhokhar Tsarnaev "not guilty", which appeared after Russia's May Day celebrations.

BBC: Boston bombings: Pro-Tsarnaev posters in Chechnya