教育孩子们要垃圾分类是很有必要的。
同时,环保主义者认为,教育市民少制造垃圾,合理分类,尽量回收利用的努力要很多年后才能看到结果。
Meanwhile, according to environmentalists, efforts to educate the public to produce less trash and separate it properly, aiming to recycle more, could take years to bear fruit.
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