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To write is to confront the darkness within.

亞馬遜有三大觀念，已經(jīng)堅(jiān)持了18年，也是亞馬遜成功的原因：客戶至上、創(chuàng)新和耐心。

測量不可測量之物需要的不僅是技術(shù)，還有想象力。

The future is not a gift. It is an achievement.

The language of mathematics is universal, transcending cultural and linguistic barriers.

In the end, we will remember not the words of our enemies, but the silence of our friends.