But the constant flow back and forth with basketball,

但来回运球的连续动作（很难记录），

现场观看篮球赛 - SpeakingMax英语口语达人

But just how does that kind of knowledge help us deal with the constant ebb and flow of political life?

但那种知识,如何协助,我们面对政治生活中的,恒存起伏？

耶鲁公开课 - 政治哲学导论课程节选