- Recently,everymorningwhenIwakeup,Ifindmyair-conditionerautomaticallyturnedoff.Ididntunderstandwhyatfirst,butsoonIlearnedthatthereisagreatshortageofelectricitysupplyinourcitymyair-conditionerturnedoffbecauseofapowerfailuremidnight.Withtherapidlydevelo...
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