While I believe it is true, I cannot prove it.
雖然我相信那是真的，但無(wú)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(dòng)鞋都能提供一定的反彈力，但研制回力運(yùn)動(dòng)鞋的意圖是最大限度地達(dá)到這個(gè)效果。