The sport's rules require that a race walker's knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times.
这项运动的规则要求竞走运动员的膝盖在大部分的腿部摆动过程中保持笔直，一只脚始终与地面保持接触。
They rightly see it as a race between them getting their derivative exposure straight, and owing billions on defaulting companies to which they are overexposed because of ill-hedged swaps.
正确的方法是他们将它看成一场竞争，要么自己直接将衍生产品曝光，要么因过度进行不利对冲交易而拖欠公司几十亿。
Two four-man crews of similar strength and ability race each other under the same conditions over a straight 1, 500-meter course.
4名船员一组，2组技巧和实力相当的船员，在同样的环境条件下，行进1500米的路程。
That has to be a lot more fun than a straight two-way race, doesn't it?
这毫无疑问将会比两党竞争更有趣，不是吗？
That has to be a lot more fun than a straight two-way race, doesn't it?
这毫无疑问将会比两党竞争更有趣，不是吗？
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