她通过去健身房，和自行车小组一起骑车，徒步旅行，上班时不坐电梯而是走楼梯来增加了自己的活动量。
She increased her activities by going to the gym, riding with a biking group, hiking and taking the stairs instead of the lift at work.
一个甚至更明显的信号：为避免呼吸困难，你不走楼梯而是坐电梯吗？
An even more telltale sign: Do you take the elevator instead of the stairs to avoid this feeling?
不坐电梯而爬楼梯。
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