subcontract
n
contract to carry out a part or all of an existing contract 分包合同; 转包契约.
subcontract v [Tn, Tn.pr]
~ sth (to sb) give (a job of work) to sb as a subcontract 将(工作任务)分包或转包给某人
subcontract the installation of the shower to a plumber 把安装淋浴器的工作分包给水暖工.
Other books are for reading slowly and carefully. If it is a book on a subject that you are interested in, you will want to chew and digest it. That does not mean reading it too slowly. When you pick up a book for the first time, check that it is not to