freelance

adj. /ˈfriːlæns/ C1

特约的；自由职业的

Earning money by working independently for different companies.

仙境例句

Pat was a freelance gardener: one day he worked for the Rabbit, the next for the Duck.

帕特是个自由职业的园丁：今天给白兔干活，明天给鸭子干活。