key sector的用法和样例:
例句
- He revealed that half the officers in a key unit failed a polygraph test last year.
据他透露,半数某关键部门的警官都没能通过去年的测谎鉴定。 - Since its inception, PDC has expanded at a rapid pace and is now a key department for delivery of banking systems within the HSBC Group.
自成立以来,软件开发中心高速发展,现已成为汇丰集团银行系统的关键部门。