当我们离开房间的时候，我们应该关灯以节约能源。
We should save energy by turning off the lights when we leave a room.
更重要的是，我们应该建议我们的亲戚和朋友，以及我们的父母节约能源。
What's more, we should offer to recommend our relatives and friends as well as our parents to save energy.
我们不应该随便仍垃圾，不破坏我们周围的植物，节约用水，节约能源等。
We should not throw rubish casually, do not destroy the planting around ourseves, save water, save energy and so on.
我们不应该随便仍垃圾，不破坏我们周围的植物，节约用水，节约能源等。
We should not throw rubish casually, do not destroy the planting around ourseves, save water, save energy and so on.
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