As you are applying for the position of sales assistant, do you have such kind of work experience? 你申请的职位是销售助理，那么你有与此相关的工作经验吗？

　　Yes, I had a part-time job as market seller in my junior year. 有的，我大三的时候在超市做兼职促销员。

　　I’ve been working as an accountant since 2009. 从2009年起我就开始做会计工作了。

　　So you have some experience in the field. 看来你在这个领域有些经验了。

　　Yes. I've been working as an accountant since 2009. 是的，从2009年起我就开始做会计工作了。