One of the ground rules of the swap should be that everyone must try on the clothes before they take them—things always look different when you put them on.

交换的基本规则之一应该是，每个人在拿衣服之前都必须试穿——当你穿上它们的时候，它们总会看起来不一样。

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Nature conservation is to protect human life environment, everyone should care about, everyone must try.

保护大自然就是保护人类赖以生存的环境，人人都要关心，人人都要尽力。

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This is to emphasize that everyone must try their very best to complete any one task, rather than did not complete the task to find any pretext.

这强调的是每一位员工必须想尽办法去完成任何一项任务，而不是为没有完成任务去寻找任何借口。

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As such, everyone who has faith in our path must sit down with himself every day and try to recall positive events, look to the future and work up the energy to enable him to continue on the path.

UNESCO: MEDIA SERVICES