Every contingency must work in all browsers.

每一种权变都应当在所有的浏览器中起作用。

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We must always be prepared for every contingency.

我们必须始终做应急准备。

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We must always be prepared for every contingency .

我们必须始终做应急准备。

youdao

We must always be prepared for every contingency .

我们必须始终做应急准备。

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