Zero-sum
a. 得失所系的
🧩 词语组成解析
zero
['zɪro]
n. （数字）0;零度;
adj. 全无的，没有的;
v. . 聚焦，集中;
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
and get his feelings about my leaving.
征求他关于我离开的意见。
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
Hi, Jim! It's a long time since we met last!
你好，吉姆！从我们上次见面后已经很久了！