The diet is measured in ___calories,while the food is sold by___p_英语解答

The diet is measured in ___calories,while the food is sold by___pound.
为什么第一个不填第二个填the 不都是单位么?
measured in the calorie
sold by pounds能不能这样说

人气：219 ℃　时间：2020-04-14 18:13:22

解答

is measured in calories 用卡路里来算,in表“用/以”的时候中间不加成分,而且calories复数形式,前面不加冠词.