the last mile
US /ðə ˌlæst ˈmaɪl/
UK /ðə ˌlæst ˈmaɪl/

1.
마지막 단계, 최종 구간
the final stage of a journey or process, often the most difficult or challenging part
:
•
Completing the project was tough, especially the last mile of debugging.
프로젝트를 완료하는 것은 힘들었다, 특히 디버깅의 마지막 단계는.
•
Getting the product to customers is often the last mile challenge for logistics companies.
고객에게 제품을 전달하는 것은 물류 회사에게 종종 마지막 단계의 도전이다.