There are lots of different food here.为什么用food而did you know that some f
问题描述：
There are lots of different food here.为什么用food而did you know that some f
Did you know that some foods might cause cancer?中用foods
答
food作为食物总称时通常是不可数.
当具体到某种食物或指不同食物时,可以加s
这里的some foods指的是一些会致癌的食物
其实different food也可作different foods的~