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The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.
In the chemical industry, safety isn't a department - it's a culture.
海洋给予我们如此之多,现在是我们通过负责任的做法回馈的时候了。
Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.