The advantage is more convenient, in some emergency situations, suppose I suddenly catch a cold at night I have to go to the medicine, this will not be able to get a car, may drive their own or the family suddenly have some problems, is more convenient, mainly more convenient. There is also to say, there may be another is to say that they and friends in the grade, because after all, is your own car, there may be a little bit of this comparison psychology.
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