translation.en: You put in your height and weight, it calculates BMI, and of course it tells you how many calories you're expending from the exercise, and how many you took in, if you go in and enter all the foods.
translation.zh: 你输入你的身高和体重，它就会计算出你的体质指数。 当然，它还会告诉你在运动过程中你消耗了多少卡路里， 吃东西吸收了多少卡路里， 不过，前提是你必须先输入有关食物的信息。