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农民是最早的环保主义者,我们只需要给他们合适的工具。
希望好像一个家庭,没有它,你会觉得生活乏味;有了它,你又觉得天天为它辛劳,是一种烦恼。
Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.
Innovation is not about inventing something entirely new, but about improving what already exists.