背叛这种事情是不会“不小心就发生”的，他不可能说“噢，我不小心摔了一跤，正好摔到别人床上去了。”
It is impossible that betraying happens because of your careless, he is impossible to say: oh, I fall off carelessly, and just fall onto others' bed.
顾客：刚才我的孩子在公园不小心摔了一跤，脚擦破了，有没有创可贴之类的。
Client: My son fell in the park just now, his leg was excoriated, do you have something like bandage﹖
顾客：刚才我的孩子在公园不小心摔了一跤，脚擦破了，有没有创可贴之类的。
Client: My son fell in the park just now, his leg was excoriated, do you have something like bandage﹖
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