Since a pegasus is a mythological winged horse, the natural OOP thing to do would be to create a new pegasus class that USES the horse class as its parent.
由于飞马(pegasus)是神话中有羽翼的马(horse)，OOP编程的习惯做法就是创建一个新pegasus类，它使用horse类作为其父类。
Since a pegasus is a mythological winged horse, the natural OOP thing to do would be to create a new pegasus class that USES the horse class as its parent.
由于飞马(pegasus)是神话中有羽翼的马(horse)，OOP编程的习惯做法就是创建一个新pegasus类，它使用horse类作为其父类。
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