You should wear performance-training shoes if you are a runner who wants a light, well-balanced shoe suitable for racing, speedwork, or daily training.
如果你在为竞赛、速度练习或者日常训练寻找一双轻便、平衡性好的跑鞋，那么性能训练跑鞋就是你的选择。
You should wear racing shoes if you have a biomechanically efficient stride, don't have any current injuries, and want an exceptionally fast, lightweight shoe for RACES.
如果你想提高成绩，没有遭受伤病困扰，并且寻找一双异常快速、轻便的鞋参加比赛，那么你应该穿着赛跑鞋。
The racing tyre is constructed from very soft rubber compounds which offer the best possible grip against the texture of the racetrack, but wear very quickly in the process.
赛车轮胎通常由很软的橡胶材料组成，这使得它能从赛道上获得最大的抓地力，同时也磨损的很快。
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