We live in an age when unnecessary things are only necessities.

我们生活在一个把不必要的东西当成非常必要的时代。

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We live in an age when unnecessary things are our only necessities.

我们生活在一个把不需要的东西成了我们唯一需要的时代。

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He only used his personal dishes, an affectation the captain called it, but part of the ritualized necessities that kept him going.

他只用自己个人的盘碟，船长称其为装模作样，但某种仪式性的要求迫使他保持这种习惯。

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After all, there are still necessities in life that only money can buy.

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We need clean water not only to sustain ourselves, but also for other basic necessities such as farming and sanitation.

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