Upstream operations
[经] 上游作业
🧩 词语组成解析
upstream
[ˌʌp'stri:m]
adj. 向上游的;逆流而上的;（石油工业等）上游的;
adv. 向上游;逆流地;
n. 上游部门;
n. 运作；运营；业务操作（operation的复数）
🗣️ 情景例句
We had a good day.
我们今天玩得很开心。
It's a quiet city.
这是一个安静的城市。
Normal people tend to forget this process unless and until they are reminded of it.
衰老的过程，不经提起，正常人容易忘记；一经提醒，才会记起。