I found out that Martha Chamberlin takes a student assistant when she lectures.

我发现玛莎·钱伯林讲课的时候会让学生做助理。

I say " we" because I hired a team of student assistants to count the number of parked cars in these 40 spaces in downtown San Louis Obispo.

我说“我们”是因为我雇佣了一组学生助理来统计圣路易斯奥比斯波市中心这 40 个停车位上停放的汽车数量。