第三人称单数： undercharges
过去式： undercharged
过去分词： undercharged
现在分词： undercharging

We undercharge mr. smith and have to send him a debit note .

我们少收了史密斯先生的钱,只得给他寄去一。

Is it usually an overcharge or undercharge ?

通常是多算还是少算？

Many new technology companies feel compelled to undercharge for their technology in an effort to break into the market .

许多新技术公司不得不为他们的技术，少收，努力打入市场。