记录一个特定用户的全部资源使用量。
项目的效率是否高-资源使用量是否超过了必要
was the project efficient – in terms of using no more resources than necessary.
最近一项研究显示,在亟需节约水资源的地区,水资源使用量会下降而电力消费量则攀升。
A recent study showed that residents who were exposed to a water conservation campaign reduced their water use but increased their electricity consumption.
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