First, the weapons should be intended for use only in retaliation after a nuclear attack. Second, the possession of the weapons must be a temporary expedient.

首先，这些武器应当只在遭受核袭击后反击时才使用。其次，这些武器的拥有必须是一种临时的应急手段。

《柯林斯英汉双解大词典》

All customers travelling on TransLink services must be in possession of a valid ticket before boarding.

所有使用联运服务的乘客在登机前必须持有有效机票。

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Some people worry that discovering life elsewhere, especially if it turns out to be in possession of incredible technology, will make us feel small and insignificant.

某些人担心探索别处的生命，尤其是结果发现其拥有难以置信的技术，那将会使我们感到非常的渺小和无足轻重。

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