If they are not chosen for a trial after a day, they are not required to return.

VOA: special.2009.08.31

Those who embark on the quest for knowledge of the best regime may not return the same people that they were before.

那些开始追寻最优政体知识的人,可能最后,都完全地变了一个人。

耶鲁公开课 - 政治哲学导论课程节选

One of them did not return for his sophomore year.

他们中有人没回来读大二。

麻省理工公开课 - 固态化学导论课程节选

"I happen not to know the answer." Some analysts think Amiri's return could mean an exchange for Americans held in Iran.

VOA: standard.2010.07.13

I'll let you read Siegel and his discussion of this possibility, ... but I think that-- what I want to get now is not necessarily any agreement on whether you believe that there's such a high excess return for stocks.

我会要求你们读西格尔的书,以及他对这种可能性的讨论，但是我认为-,你们并不需要,同意炒股的收益,远远高于其他的投资方式。

耶鲁公开课 - 金融市场课程节选

Clinton said Bosworth's mission to Pyongyang will not be a negotiation but rather an effort to pave the way for North Korea's return to the six-party process.

VOA: standard.2009.11.11

Later,at a briefing for reporters, Assistant Secretary of State for Public Affairs P.J.Crowley said the United States had warned the deposed president not to try to return home in the absence of a negotiated settlement.

VOA: standard.2009.09.22

The Saudis said they will not make concessions beyond a 2002 Arab plan put forth by King Abdullah which offered recognition in exchange for Israel's return of the occupied territories and allowance of a Palestinian state.

VOA: standard.2010.06.29