food作為食品的統(tǒng)稱時為不可數(shù)名詞，單數(shù)形式；指“一種食品時”可數(shù)，可以用復數(shù)。比如I like all kinds of foods.這里把一個food當成是一種食品，foods指各種食品。

1、Enjoy your food.

用餐愉快。

2、It's not like you to be off your food.

胃口不好，這可不像你了。

3、Lord Fraser's speech offers much food for thought

弗雷澤勛爵的講演發(fā)人深省。

4、Developments in your career may give you food for thought.

事業(yè)上的進展可能會引發(fā)你很多的思量。

5、Supplies of food and medicines are inadequate

食物和藥品供應(yīng)不足。