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The single easiest way to find out how you feel about someone. Say goodbye.
我们必须立即行动,因为海洋的衰退是我们不能忽视的危机。
Collaboration is the root system of progress in sustainable forestry.
You have to spend some energy and effort to see the beauty of math.
He is unworthy to live who lives only for himself.
Whereof one cannot speak, thereof one must be silent.