And regional differences, relative northern regions, their climate is dry, temperature difference is bigger, when they buy air conditioning will choose comprehensive;
还有地区差异，相对北方地区，他们的气候比较干燥，温差还比较大，他们购买空调的时候就会选择比较全面的；
And regional differences, relative northern regions, their climate is dry, temperature difference is bigger, when they buy air conditioning will choose comprehensive;
还有地区差异，相对北方地区，他们的气候比较干燥，温差还比较大，他们购买空调的时候就会选择比较全面的；
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