in exchange for
US /ɪn ɪksˈtʃeɪndʒ fɔːr/
UK /ɪn ɪksˈtʃeɪndʒ fɔːr/

1.
以换取, 作为交换
as a return for something given or done
:
•
He gave her a book in exchange for her help.
他给了她一本书以换取她的帮助。
•
They offered a discount in exchange for a bulk order.
他们提供了折扣以换取大宗订单。