ONE PHRASE, IN CONTEXT
sign on
签约加入;同意参与

GET TO KNOW THE MEANING
同一个表达,不同的语境。
01签约加入;同意参与
IN A SENTENCE
The producer signed on as co-director after reading the revised script.
制片人读过修改后的剧本后,签约加入并担任联合导演。
02签约加入;同意参与
IN A SENTENCE
Several local councils signed on to the shared recycling program last year.
去年,几个地方议会签约加入了这项联合回收计划。
