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2. 主要目标是通过张贴“禁止吸烟”这样的标志使每个公共房间无烟。
2. The main aim is to make every public room have no smoke by posting the sign of "Preventing Smoking".
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题目内容
2. 主要目标是通过张贴“禁止吸烟”这样的标志使每个公共房间无烟。
2. The main aim is to make every public room have no smoke by posting the sign of "Preventing Smoking".