例句：
The truth is, your body was not designed for inactivity.
事实上，你的身体不是生来就静止的。
All this inactivity is followed by the desire to watch the sunset.
在懒洋洋度过一天之后，看日落总是我们的余兴节目。
The connection closes automatically after a few minutes of inactivity.
空闲的连接会在几分钟之后自动关闭。
Our waistlines are expanding for one major reason: increasing inactivity.
身体活动的日益减少是我们腰围见长的一个主要原因。
Physical inactivity is the fourth leading risk factor for global mortality.
缺乏身体活动是全球第四大死亡高危因素。