While I believe it is true, I cannot prove it.
雖然我相信那是真的,但無法加以證明。
While any kind of athletic shoe can provide a certain amount of rebound, energy-return sneakers are designed to maximize this effect.
雖然任何一種運(yùn)動鞋都能提供一定的反彈力,但研制回力運(yùn)動鞋的意圖是最大限度地達(dá)到這個效果。