Members of the House of Representatives,saying there is not a second to wait, have sent a letter to President Barack Obama, urging him to impose strict sanctions on Iran.

VOA: standard.2010.04.14

This means it is not a strict bond one-to-one.

这意味着不是严格1对1的键。

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But the school that I go to, there is a uniform but it's not as strict.

但是我上的学校呢，有校服，但要求没那么严格。

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