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保持健康和获得健康都需要锻炼。锻炼一段时间后,你会发现运动起来不像以前那么艰难了,因为你的身体已处于良好状态,健康水平有了很大提高
Maintaining health and getting good health requires exercise. After a period of exercise, you will find that exercise is not as difficult as before, because your body is in good condition and your health has greatly improved