These two favorites in Chinese cuisine show that good things really do come in pairs.

这两款中国的新年时菜寓意“所有的好事双双大驾光临”。

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The reason why the question is worth asking is that most fundamental things in the universe seem to come in symmetrical pairs.

ECONOMIST: Particle physics

The variables come in with things like the number of books or pairs of shoes that can vary widely between customers.

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