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可持续性不是一种选择;它是我们共同的责任。
There is no such thing as a quality problem. There are only problems of people not doing what they are supposed to do.
对于好的建议,唯一能做的就是传递它。它对自己从来没有任何用处。
A sustainable coal industry is possible if we commit to the right technologies.
"The moment you feel like giving up, think about why you held on for so long."
The past is always tense, the future perfect.