1. i have been for over five years in teh employ of an exporting company.

　　本人曾经前后五年被受雇于出口贸易公司。

　　2. i have been in the business for the last ten years, and worked as the superintendent in the personnel department.

　　本人在过去十年在商界担任人事部主任迄今。

　　3. i have had five years' experience with a company as a salesman.

　　本人曾在某一公司担任推销员，前后有五年之久。<