预先的警告已经准备随时触发，混乱的事件也会让你无法抉择好像“谁”或“什么事情”在带入进来。

To be forewarned is to be ready for whatever happens, and chaotic events will leave you undecided as to who or what has brought them about.

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指挥官预先得到敌人要发动袭击的警告。

The commander had been forewarned of the attack.

《牛津词典》

这给GAE提供一个有关传入查询的预先警告。

This gives GAE advance warning of an incoming query. Listing 6 is the custom index that makes querying multiple properties possible.

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