work in,work at,

work in,work at
意思差不多,都是表示“在。地方工作”,
这里的介词在搭配不同的地点时有所区别。
一般说work in an office/factory
work at a bank/school
区别不大。
担任职位：work as a。。。
work as a manager 担任经理
我的爱好：my hobby
我家里有几个成员：There are several members in my family。