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In order to improve teen-agers' quality education, we must optimize the social environment.
为了提高青少年素质教育水平，必须优化社会环境。
youdao
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Objective:To optimize clinical teaching environment.
目的：优化护理临床教学环境。
youdao
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Objective:To optimize clinical teaching environment.
目的：优化护理临床教学环境。
youdao