by definition
US /baɪ ˌdɛf.ɪˈnɪʃ.ən/
UK /baɪ ˌdɛf.ɪˈnɪʃ.ən/
短语
根据定义, 本质上
as a matter of course; by its very nature
示例:
•
A square, by definition, has four equal sides.
正方形，根据定义，有四条等边。
•
He's a bachelor, so by definition, he's unmarried.
他是单身汉，所以根据定义，他未婚。