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我今年68岁,对于锻炼身体,经历了三个过程:经常锻炼、坚持锻炼、科学锻炼;得到了三个效果:健身、健康、健壮。50岁以前,我只是处于经常锻
I am 68 years old and have gone through three stages of exercising: exercising regularly, insisting on exercising and exercising scientifically; and getting three results: being fit, healthy and strong. Before the age of 50, I was just forged