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空调维修行业即将迎来新的变革。我们现在只知道会发生什么变革,但很难确定这些变革到来的准确时间。因此,对这些变革我们必须预先有所了解。
Air conditioning repair industry is about to usher in new changes. We now only know what changes will happen, but it is hard to pinpoint the exact time these changes are coming. Therefore, we must know in advance about these changes.