保持居室环境健康,除了经常打扫、保持卫生以外,有些该扔的东西一定要及时扔掉。底部带“3”或“7”的塑料瓶不少人喜欢把用过的饮料瓶等塑料容器堆在家里,攒到一定量再去卖掉,还有人习惯重复利用某种塑料容器。然而,这种看似环保的做法却可 To maintain a healthy home environment, in addition to regular cleaning, maintaining health, some of the throwing things must be promptly thrown away. Bottom with 3 “or ” 7 "plastic bottles Many people like to use the plastic bottles used containers piled at home, save a certain amount to sell, there are people who are reused to reuse a plastic container. However, this seemingly environmentally friendly approach can be