Продолжаем?

📌TO WORK + AT

✔️You work at a specific location:

I work at Genesis

He was working at his desk

✔️We can also say that something works at some level:

The same formula works at the project level as well as the organizational level.

✔️If you work at something, you try hard to develop or improve it:

I’ve spent three hours working at this problem.

❗️Note that you can also work on something (= to spend time producing or improving something):

Jason and Mike decided to work on refactoring recent solutions.
#interview_winner