undercharge
🇺🇸
/ˌʌndərˈtʃɑːrdʒ/
🇬🇧
/ˌʌndəˈtʃɑːdʒ/
to charge someone less money than they should be charged for something, often by mistake
The shopkeeper realized he had undercharged the customer for the groceries and quickly corrected the mistake.
店主意識到他給顧客的雜貨收費不足,迅速糾正了錯誤。