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綠色低碳發(fā)展不是選擇題，而是必答題。

You just once young but may be immature indefinitely.

要理解一種文化，你必須傾聽它的藝術(shù)家——他們是社會變革的地震儀。

The best way to predict the future is to invent it.

A journey is a person in itself; no two are alike. And all plans, safeguards, policing, and coercion are fruitless. We find after years of struggle that we do not take a trip; a trip takes us.

事實上，我不知道如果沒有數(shù)學(xué)我會做什么。

研究歷史是政治智慧的開始。