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Thu Nov 18 13:58:32 GMT 2021 environmental碳排放 (能源消耗), 增加定減少? (改了題, 本為:環保意識弱 學生穿毛衣開冷氣) - http://go2nature.net/forum/viewtopic.php?p=1267162#1267162 We’ve collected puzzling recycling questions from children around the country. The answers could help your family understand the process better. - https://www.nationalgeographic.com[..]kids-really-want-to-know-about-recycling (google search) (amazon search) second |