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创新不仅仅是技术的问题;它关乎改变人们对乳制品的看法。
The only way to save a rhinoceros is to save the environment in which it lives, because there's a mutual dependency between it and millions of other species of both animals and plants.
真理的最小原子也代表着某个人艰苦的劳动和痛苦。