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5. Students learn ________________ __________________. That means ___________. ways to save energy and recycle at home less waste It’s no use … Such as …? Nice idea! 1. It’s no use talking about things we can’t do. It’s no use doing sth. 做某事沒有用處 . It’s no use plaining. 抱怨沒有用處。 2. Such as ...? such as 這個短語常用來表示舉例說明。 — Such as …? 比如說 …… ? 3. That means less waste. less adj. 較小的 。 較少量 less 是 little 的比較級 , 指物體的體積或 分量相對于別的物體少。 4. Though pollution is heavy now, I don’t think it’s hopeless. hopeless adj. 無望的 . The doctor said the old man’s condition was hopeless. 醫(yī)生說這位老人的病是沒有希 望的