实验室助理员在忙什么？我很少能找到他。

What is the laboratory assistant doing? I seldom can find him.

早晨好。我想申请您这里的零售助理员职位。

Good morning. I'm here about the position for retail assistant.

如果我不想当宿管助理员，我可以在公寓工作。

If I don't want to be a RA, I can work in an apartment.