The lion tried to scratch his back, but he could not reach where the spider bit.
这只狮子想挠背，但他够不着被蜘蛛咬的那个地方。
An elephant will sometimes use a stick to scratch its back.
大象有时会用树枝挠背。
In my business it's important to scratch each other's back.
在我的生意经中，相互帮忙是很重要的。
In my business it's important to scratch each other's back.
在我的生意经中，相互帮忙是很重要的。
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