当科学家和艺术家在一个项目中拥有共同的利益，能够共同设计项目，并且能够相互评价对方的工作时，他们的联盟才是最具价值的。

The alliances are most valuable when scientists and artists have a shared stake in a project, are able to jointly design it and can critique each other's work.

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为了使 Postcrossing 网站能在世界范围内发挥作用，需要一种共同的交流语言，以便大家能够相互理解。

For Postcrossing to work worldwide, a common communication language is needed so that everyone can understand each other.

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而我此处谈及的“信任”，是指你们二人都对对方的行为和决定充满信心，当遭遇失败时，也不会相互指责，因为这是你们共同的选择。

As I was saying about Trust, with this, you two are confident of each other's actions and decisions. No blaming stuffs when failure happens because both of you agreed on that choice.

youdao

Again, content has to be conveyed, practice and application of what has been learnt is very important and third it's an opportunity to learn together and to learn from your peers.

同样，传达教育的内容，实践和运用所学的知识,是非常重要的,另外，这也为共同学习,和相互学习创造了机会。

麻省理工公开课 - 媒体、教育、市场课程节选

And the third explicate purpose, I think we probably all agree with, is that school environment creates a situation where students can learn together, where they can learn from each other, so it creates a community of learners.

我想第三个表面目标，大家可能都会赞同，就是学校,为学生营造了一个，共同相互学习的场所，即创造了学习者共同体。

麻省理工公开课 - 媒体、教育、市场课程节选