Decision variable
[化] 决策变量\\n[经] 决策变数
🧩 词语组成解析
🗣️ 情景例句
Malcolm, you worked on the Spaceport project?
Malcolm，你曾负责 太空港 的案子？
No sweet without sweat.
没有辛勤的劳动就没有甜蜜的收获。
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。