child maintenance
noun/ˌtʃaɪld ˈmeɪntənəns/
/ˌtʃaɪld ˈmeɪntənəns/
(British English) (also child support British and North American English)
[uncountable]- money that a parent must pay regularly to help support their child, when the child is no longer living with that parent
子女抚养费：当子女不再与父母同住时，父母必须定期支付的钱来抚养子女