Maintenance margin
[经] 维修(保养)范围
🧩 词语组成解析
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
I know all the ins and outs of the business.
我重新夺得关于这件事所有的详情。
That is not good language which all understand not.
不是人人都懂的语言不是好语言。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。