Payback method
[经] 回收期法
🧩 词语组成解析
[经] 报酬率
🗣️ 情景例句
Tom doesn't have a steady girlfriend at the moment.
汤姆眼下还没有一个已确定关系的情侣。
He is in conference.
他正在开会。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”