contract in phrasal verbphr v British EnglishBrE a) BBAGREE contract somebody/something ↔ in to arrange for a person or company outside your own organization to come in and do a particular job 与某人/某公司签约〔使其加入做某事〕 We contract in cleaning services. 我们和保洁公司签有合同。
b) formal to agree officially to take part in something 订约参与〔某事〕 The rules require all members to contract in. 规章要求所有成员都要订约参与。
→ contract in at contract3(1)