class Car

+number:String

+name:String

+move(dx:number,dy:number):void

+scale(dx:number,dy:number):void

class Trip

+car:Car

+length:number

+start()

+end()

class Kuaiche

+price:Number

class Zhuanche

+price

car

car

2019-12-17 10:30:52 0 17
这里是评论

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