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The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
过去是你记得的、你想象你记得的、你确信你记得的、或者你假装记得的。
The most important tool in chemistry is not the flask or the spectrometer—it's the imagination.
数算练习告诉我们算术运算的原理,而不是单单的记忆和不断演算。
Every experiment is a question posed to nature, and every result is nature's answer.