许多方法可以保持形体，但首先，一个人必须有适合自己的生活方式。
There are many ways of keeping fit. First and foremost, one must live a proper life.
其二，新产品拥有一个所谓的“核心稳定器”——就好象紧身衣一样可以保持游泳者的形体。
Second, the suit has what Speedo calls an “internal core stabiliser”—like a corset that holds the swimmer's form.
保持良好的形体合一提高你跑步的效率，降低受伤几率。
Good posture can improve your running efficiency and decrease injury risk.
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