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每一个发现都建立在前人的工作之上。
Every discovery builds on the work of those who came before us.
失去一个父母可能被视为不幸;失去两个则看起来像是粗心大意。
Life is so short, so beautiful. Don't be so serious about work. Enjoy the life.
The speech we hear is an indication of that which we don't hear.
Waste is just raw material in the wrong place.