It is also uncertain how much consumers will spend in a time of uncertainty even if they do make more money.
即便赚到更多的钱，但在一个前途尚不明朗的时期多少人有消费的意愿还不清楚。
Then estimates will be made, based on historical experience, of how much consumers would cut back their electricity consumption if its price rises.
然后，根据以往的经验，估算得出如果电费上涨消费者的耗电量会降低多少。
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