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电池回收利用是新能源产业可持续发展的关键环节。
解释:手指粗于胳膊, 胳膊粗于大腿, 病情必然很重。
I was born with an enormous need for affection, and a terrible need to give it.
The quality of an organization's culture determines the quality of its products and services.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.