- 問題詳情:Howgreenareyou?Doyouknowhowtobegreen?Weallneedahealthyenvironment,butweproducewasteeverydayanditdoesharmtoourenvironment.Thoughweareyoung,wecanstilldosomethingtohelp.Infact,eventhesimplesteverydayactivitiescanmakearealdifferencetotheenvironme...
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