以前做過侍應...而家轉行做文員...用英文要點講...

In past, I had experience to doing as a recipt, but now I would like to explose my experience in doing as a clerk.
但冇人見工會咁講, 之前做待應, 依家想做clerk 的.
所以, 如你見工可以講,
我之前做服務行業的, 依家想做文職.
即...in past, my industry is in sevice career but now I would like to continuse my career type in business unit as started as a clerk first.

I used to be a waiter, but now I'd like to work as a clerk