"Turning off lights when you leave a room can help to save electricity." (关掉房间里不用的灯，可以节约用电。)
"Using energy-efficient appliances can also save electricity." (使用节能电器也可以节约用电。)
"In order to save electricity, we should unplug chargers when they're not in use." (为了节约用电，我们应该把没用到的充电器拔掉。)
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最佳回答 2023-02-13