تفاوت at the bakery و in the bakery

اگر at جایی هستید، به این معنی است که شما عضو آن موسسه هستید، به هر شکلی که ایجاب کند.

اگر in جایی هستید، فقط از نظر فیزیکی آنجا هستید. برای حضور در جایی (at) نیازی به حضور فیزیکی  در آنجا (in) ندارید.

برای مطالعه بیشتر:

We use at:

1- to refer to a position or location which we see as a point:

I was sitting at my desk.

2- to talk about locations at companies, workplaces when we see them as a place of activity:

How many people are working at Microsoft?

3- to refer to activities which involve a group of people:

Were you at Lisa’s party? (also at the cinema, at the theatre)

4- with school/college/university:

She always did well at school.

5- to refer to an address:

They once lived at number 12 South George’s Street.

6- to talk about public places where we get treatments, such as a hairdresser’s or doctor’s surgery:

I can’t meet at four. I’ll be at the hairdresser’s until five.

7- to refer to most shops:

Look what I bought at the butcher’s today.

We use in:

1- to talk about locations within a larger area:

I know my book is somewhere in this room. Can anyone see it?

2- to talk about workplaces when we see them as a physical location:

She works in an open-plan office. (but we use on when we talk about a farm: I’ve always wanted to work on a farm.)

3- with class:

He found it difficult to concentrate in class.

منبع:

https://dictionary.cambridge.org/grammar/british-grammar/at-on-and-in-place