Theoretical margin
[计] 理论边限, 理论系数
🧩 词语组成解析
theoretical
[,θiə'rɛtɪkəl]
adj. 理论的;推想的，假设的;空论的;
theor考虑+et=em变体，获得+ ical ...的 →theoret=theorem考虑后获得的结果=定理 + ical ...的 → a.理论(上)的
margin
['mɑrdʒən]
n. 边缘，范围;极限;利润，盈余;（版心外）的空白;
vt. 留边;成为…的边;加边于，围绕;为…加旁注;
🗣️ 情景例句
And that's dear little Max.
那是亲爱的小Max。
Why did you get home so late?
为什么你这么晚回家？
It was his job to repair bicycles and at that time he used to work fourteen hours a day.
他那时的工作是修理自行车，并且通常是一天工作14个小时。