Subscheme
[计] 子图, 子方案, 子模式
🗣️ 情景例句
We usually accept payment by irrevocable L C payable against shiping documents.
我们一般用不可撤销信用证，凭装运单据结汇付款方式。
He works best who knows his trade.
内行的人做他的事一定会做得最好。
How much is the pen?
这支笔多少钱？