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You have to believe in yourself when no one else does.
The worth of a mental process is in its service to life.
煤炭的未来取决于经济增长与环境保护之间的平衡。
"To write is to wrestle with the demons of the past."
当我们保护海洋生物多样性时,我们最终是在保护自己的粮食安全。