Redundant subexpression
[计] 冗余子表达式
🧩 词语组成解析
[计] 子表达式
🗣️ 情景例句
Here.
这里 。
It is good to learn at another man's cost.
前车之覆，后车之鉴。
The first essential in elephant training is to assign to the animal a single mahout who will be entirely responsible for the job.
驯象中至关重要的是指派一名专门的驯象员，全面负责这项工作。