Derivations
n. 发展( derivation的复数形式 ); 起源; 派生; 词源
🗣️ 情景例句
you'll have it.
那你就大功告成了。
A middle course is the safest.
中庸之道最保险。
Our policy is not to grant exclusivity.
我们的方针是不授与专卖权。