Expecting some metabolic or DNA factor at work, they were shocked to learn that the only difference between the subjects that they could figure out was the amount they were moving, and that in fact those who gained weight were sitting, on average, two hours more per day than those who didn't.
考虑到一些新陈代谢或基因的影响 他们吃惊地发现 他们唯一能够发现的区别 便是他们运动的多少 事实上那些体重增加的人 每天要比体重没有变化的人 多坐两个小时