tt舞
幼苗
共回答了23个问题采纳率:82.6% 举报
1.to save engry by switching off all the electronic application after use such as using your computer when you need it otherwse just switch off it but don't allow it to be switched over nights2.to use te public transportation more than your private car,it can help to save engry and also to avoid producing traffic congestion 查看原帖
1年前
2