even when not in use they can be an "energy sink" just by being plugged in.

就算它们未被使用，它们依然能在插线的情况下消耗电能。

youdao

Simply exert a little bit of energy to access a bed, a lounge chair, a table, built in storage, a shower, a toilet, or even the kitchen sink!

仅需要很少的能量就能获得一张床，一个沙发椅一张桌子，建造一个储物室，一个浴室，一个厕所，甚至厨房的水槽。

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Purge: Regularly go through your existing commitments and get rid of anything that is either not helping you advance your own goals or is a regular "sink" of time or energy.

清理：经常检查你正在做的事情，把那些不能帮助你达成目标或是总浪费你时间、精力的去掉。

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Still, Luke is off screen much more than he's on, a situation whose unintended consequence is an energy sink in an overlong drama that grows ever more mundane.

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