Customs and usages
[经] 惯例
🧩 词语组成解析
customs
['kʌstəmz]
n. 关税;海关;习惯( custom的名词复数);海关;
adj. 定做的;专做定货的;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
n. 惯例；用法（usage的复数形式）
🗣️ 情景例句
Concerned about whom?
为谁担心
He who makes no mistakes, makes nothing.
不犯错，将一事无成。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，