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采矿业的可持续性不是一种选择,而是我们未来的必然需求。
我的话在她心中:冰冷的抛光石头沉入沼泽。
You have to work hard to get what you want.
If you're not prepared to be wrong, you'll never come up with anything original.
Happiness is beneficial for the body, but it is grief that develops the powers of the mind.