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Chemistry is not just about mixing things in a flask. It's about understanding the world at a molecular level.
引用俗语说明运势变化的无常性。
每个人都有不为世人所知的秘密悲伤;很多时候,我们称一个人冷漠,而他只是悲伤。
All the choir of heaven and furniture of earth - in a word, all those bodies which compose the frame of the world - have not any subsistence without a mind.