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学习数学的最好方法就是做数学。
Sometimes the simplest melodies are the hardest to write.
爱是唯一能将我们从自己中拯救出来的东西,但它也是所有情感中最脆弱和难以捉摸的。
I'm not afraid of others saying I'm not good enough, I'm afraid that I'm not good enough myself.
Innovation in forestry isn't about replacing nature, but enhancing our partnership with it.《The Green Leadership》