"Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports.
“运动本身是一种非常困难的减肥方式。”总统健身运动委员会的项目主任York Onnen说。
"Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports.
“运动本身是一种非常困难的减肥方式。”总统健身运动委员会的项目主任York Onnen说。
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