You never abandon a friend in a time of need.

永远不在你朋友需要的时候背弃他。

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God is thought to be an entity in which we mortals can turn to when in a time of need.

人们认为神是我们凡人在需要帮助时可以依靠的存在体。

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They were all civilians who stepped up in a time of need to help their fellow citizens.

他们都挺身而出，在需要的时候帮助他们的同胞。

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He adds that in a time of global economic crisis, Russia needs to consider the need to keep such a large force in Chechnya.

VOA: standard.2009.03.26

MIT has undertaken a variety of experiments in Educational technology. But we really feel at this Point of time we need some sort of coordinate strategy.

麻省理工做了许多不同的,教育技术的实验，但我们觉得,现在我们需要一些协调的战略。

麻省理工公开课 - 媒体、教育、市场课程节选

This time, you're a transplant surgeon and you have five patients, each in desperate need of an organ transplant in order to survive.

这次你是一名器官移植医生，你有五名病人，每名病人都急需器官移植才能存活。

耶鲁公开课 - 公正课程节选

Americans have a strong sense of community, as 92 percent know someone they could rely on in a time of need.

FORBES: There's No Place Like America

Through this new app, individuals suffering from domestic violence will have quick access to resources and assistance in a time of need.

ENGADGET: Verizon's HopeLine app for Android provides resources and support for victims of domestic violence

Part of our support to small businesses is to also help them in a time of need, such as during the recent Superstorm Sandy.

WHITEHOUSE: Support for the Asian American and Pacific Islander Community of Queens, New York | The White House