Redundant subexpression
[计] 冗余子表达式
🧩 词语组成解析
[计] 子表达式
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
He who has not tasted bitter knows not what sweet is.
不吃苦中苦，哪知甜中甜。
My friends kept on offering me cigarettes and cigars.
我的朋友们不断地向我递香烟和雪茄。