by definition
US /baɪ ˌdɛf.ɪˈnɪʃ.ən/
UK /baɪ ˌdɛf.ɪˈnɪʃ.ən/
短語
根據定義, 本質上
as a matter of course; by its very nature
範例:
•
A square, by definition, has four equal sides.
正方形，根據定義，有四條等邊。
•
He's a bachelor, so by definition, he's unmarried.
他是單身漢，所以根據定義，他未婚。