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事实上,我不知道如果没有数学我会做什么。
The truth is, I don't know what I would have done without mathematics.
"Every word knows something of a vicious circle."
The most successful products are those that anticipate needs people didn't know they had.
不是有没有时间的问题,而是愿不愿意挤出时间的问题。
Innovation is the key to sustainable agriculture.