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戒懒惰:人到中年,不知不觉感到两腿沉重,易疲劳,因而不爱运动。这说明衰老已悄悄降临。因此,中年人应力戒懒惰。
Or lazy: people to middle age, unknowingly feel heavy legs, fatigue, and therefore do not love sports. This shows that aging has quietly come. Therefore, middle-aged people should quit or be lazy.