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The world is a dark place, but there's light in it too. You just have to look for it.

你的行為會帶來改變，而你必須決定你想帶來什么樣的改變。

Energy security is a crucial guarantee for national development. We must intensify technological innovation to enhance the efficiency of oil and gas exploration and production.

歷史的終結(jié)將是一個非常悲傷的時刻。