lump sum

US /ˈlʌmp sʌm/
UK /ˈlʌmp sʌm/
"lump sum" picture
1.

一次性付款, 一次总付

a single payment made at one time, as opposed to a series of smaller payments made over time

:
She received a lump sum payment after selling her house.
她卖掉房子后收到了一笔一次性付款
He chose to take his pension as a lump sum rather than monthly payments.
他选择一次性领取养老金,而不是按月领取。