Undercharging
v. 少收钱( undercharge的现在分词 ); 未给（枪等）装足火药; 对…充电不足
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩，为时已晚；贼去关门，为时已迟。
While this was going on, Mr.Taylor was upstairs.
这开始发生时，泰勒先生正在楼上。