200万年以前， 人类的祖先为经常跑路的脚制造出一种生理“设备”--鞋子。 这种设备有很多特点，后跟很大，鞋底有弹性。

About 2 million years ago, the ancestors of modern humans evolved the physiological "equipment" for running--long legs, large buttocks, and springy structures in the feet, among other features.

youdao

他们一直制造最好的鞋底。

They make the best soles that're going.

youdao

购买鞋子部件，做功好的像是鞋底，有谁制造部件的请联系我。

Buy shoe parts, nice parts like sole, so please any one making this please contact me.

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