Warranty

Warranty

授权工作

嗯，就是“授权工作”的意思~

warranty work = 有担保/认可/授权的工作

保修。
例句：1. I see around here most of the companies are offering a 1 year warranty on their work, a few are giving 10 year warranties and a few are giving lifetime warranties of their work.
2. deal with car dealers on repairs and warranty work