And they are surprisingly uniform, given that they begin as natural rubber and wool, which vary with every barge and bale.
And they are surprisingly uniform, given that they begin as natural rubber and wool, which vary with every barge and bale.
虽然数目如此庞大，产品却出奇一致，尤其网球的原料还是天然橡胶和羊毛，每批往往都不一样。