A lot of old athletes are going out and a lot of new blood coming in.

肖天说，“很多老队员离开，同时也有很多新鲜血液补充进来。”

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Using estimates from the Italian data, the authors of the new study created a computer simulation of how American athletes 14 to 22 years old would be affected by screening.

从意大利估计的数据来看，这一新研究的研究者们创造出以计算机模拟系统，以研究筛查对美国14到22岁的运动员的影响。

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Product Feature: good elasticity to ensure a good nights sleep. Good for the middle and old age and athletes.

产品特点：良好的弹性能确保您睡眠时身体的平直，使脊椎得到妥帖的保护，特别适合喜欢运动和中老年人选用。

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Whereas Page, Zuckerberg and Mayer innovated on the web, 40-year-old Kevin Plank provided a new experience for athletes on the field.

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On the opposite side you find athletes like 19-year-old Kenyan Pamela Jelimo who, having been thrust into sporting superstardom in her home country after winning 800m gold in Beijing, had a tough winter and is only just beginning to get back into shape.

BBC: Steve Cram column

The 30-year-old gym is already at capacity, with elite athletes training alongside mother and toddler groups.

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