translation.en: In the world of wearables and smartphones and apps, there's a big movement to track people's personal health with applications that track the number of calories that you burn or whether you're sitting too much or walking enough.
translation.zh: 在这个充满智能手表、手机 和应用软件的今天， 有一个大趋势是追踪人们的健康， 利用应用软件来记录 你消耗了多少卡路里， 或是你是否坐的太久了， 有没有走够路。