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動物和人類的有目的行為。

每一次表演都是與觀眾建立聯系的機會。

As to the gods, I do not know whether they exist or not, or what they are like.

Asymmetric catalysis is not just a tool, it's a way of thinking about molecular transformations.

化學是連接微觀世界和我們日常所見現實的橋梁。