food for thought

US /ˈfʊd fɔr θɔt/
UK /ˈfʊd fɔr θɔt/
"food for thought" picture
1.

思想食糧, 值得深思的事物

something that warrants serious consideration or reflection

:
His suggestion gave us all some serious food for thought.
他的建議給我們所有人提供了一些值得深思的思想食糧
The documentary provided much food for thought on environmental issues.
這部紀錄片為環境問題提供了許多思想食糧