并且如果Vanderbilt想要这么做的话，他也可以加快语调：“问题是如果每个人都想做对他们自己最有利的事情，那么实际的旅行时间就会上升！”

And Vanderbilt can rev up the tone when he wants to: "the problem is that if everyone tries to do what they think is the best thing for themselves, the actual travel time for all drivers goes up!"

youdao

并且如果Vanderbilt想要这么做的话，他也可以加快语调：“问题是如果每个人都想做对他们自己最有利的事情，那么实际的旅行时间就会上升！”

And Vanderbilt can rev up the tone when he wants to: "the problem is that if everyone tries to do what they think is the best thing for themselves, the actual travel time for all drivers goes up!"

youdao