Derivations
n. 发展( derivation的复数形式 ); 起源; 派生; 词源
🗣️ 情景例句
How much are the dues?
会费多少？
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
I'd be happy to.
很乐意。