"Wear more than one hat" nghĩa là gì?

"Wear more than one hat" = đội nhiều mũ -> nghĩa là nắm giữ nhiều vị trí, thực hiện nhiều vai trò.

Sometimes members switch positions—what we in the U.S. call the revolving door. Or they may wear more than one hat, serving strategic government functions while also running (điều hành) businesses.

We are looking for a highly organized professional to guide corporate interiors, mixed-use development, and single-family residential projects in the tri-state area. As members of a small firm, we each wear more than one hat and you will, too. 

Starting and running a business can feel like a whirlwind (cơn lốc) at times. Quite often you’ll need to wear more than one hat, making decisions on everything from operations and HR to marketing. It can be easy to make start-up mistakes when you’re operating at 100mph, so we’ve put a list together of the typical problems faced by start-ups and how to avoid them.