the bare bones
US /ðə bɛr boʊnz/
UK /ðə bɛr boʊnz/

1.
基本要素, 骨架, 核心
the most basic or essential facts or elements of something
:
•
Let's just get down to the bare bones of the argument.
我們只談論論點的基本要素。
•
The report only provided the bare bones of the financial situation.
報告只提供了財務狀況的基本情況。