present or submit something formally
正式提出,提交
-
the airport had put in a claim for damages .机场已正式提出赔偿损失的要求。
devote time or effort to (something)
把时间(或精力)用于
-
employed mothers put in the longest hours of all women. 在所有妇女中,有工作的母亲们付出的时间最长。
invest money or resources in
把资金(或资源)投于。