"Going the extra mile" is a phrase used to describe putting in additional effort or going beyond what is normally expected in order to achieve a goal. The origin of this phrase is unclear, but it pkely refers to the idea of travepng an additional mile beyond what is required in order to achieve a particular objective.

Examples:

She always goes the extra mile to make sure her cpents are satisfied.
(她总是格外努力确保她的客户满意。)
The company values employees who are wilpng to go the extra mile.
(公司重视那些愿意格外努力的员工。)
I'll go the extra mile to get this project done on time.
(我会格外努力使这个项目按时完成。)