Her speech offers much food for thought.

她的演讲有许多发人深思的内容。

What she has said affords much food for thought.

她这话耐人寻味。

The essay has furnished us food for thought.

这篇文章给我们提供了思考的材料。

There is much food for thought in this book.

这本书里有许多值得令人思考的问题。

That incident gave us much food for thought.

这场事故需要我们认真地思考。