There are lots of different food here.爲什麼用food而did you know

題目：

There are lots of different food here.爲什麼用food而did you know that some f
Did you know that some foods might cause cancer?中用foods

解答：

food作爲食物總稱時通常是不可數.
當具體到某種食物或指不同食物時,可以加s
這裡的some foods指的是一些會致癌的食物
其實different food也可作different foods的~