contractor

The independent contractor was hired to install the complex plumbing system in the new skyscraper.

(Chinese) 这位独立承包商受聘为新建摩天大楼安装复杂的管道系统。

Defense contractors supply the military with advanced equipment such as fighter jets and submarines.

(Chinese) 国防承包商向军队提供先进设备，如战斗机和潜艇。