meat and potatoes
最重要或基本的事物
口語·強調核心要素
英文釋義
the essential or most important parts of something; the basic or fundamental aspects
例句
The meat and potatoes of the job is customer service.
典故來源
源自西方飲食文化，肉和土豆是傳統主菜，比喻核心或基礎部分。