Contingent gains
[经] 或有利得, 意外收益
🧩 词语组成解析
n. 收益；利益；腰槽；榫眼（gain的复数）
🗣️ 情景例句
Let's have a talk about it in advance.
我们事先商量一下。
Like mother, like daughter.
有其母必有其女。
Because the Moon has only an eightieth of the Earth's mass,
因为月球的重量只有地球的1/8，