Payback method
[经] 回收期法
🧩 词语组成解析
[经] 报酬率
🗣️ 情景例句
I'm in great need of your assistance.
我特别需要您的帮助。
He's not in. May I take a message for him?
他不在，我能替他捎个口信吗？
They feared that the mummy would fall to pieces when they cut it open, but fortunately this has not happened.
他们曾担心在把木乃伊切开后，它会散成碎片，但幸运得很，这种情况并未发生。