The phrase often implies a positive feeling others have when they admire something you have. His innovative app design is the envy of the software industry.
Pro Tip 2/3
Not Literal Envy
The phrase doesn't always mean people truly feel envious; it can be an expression of high praise. Her athletic accomplishments are the envy of the school.
Pro Tip 3/3
Unique Status
This expression is used when something is so good that it's hard for others to achieve the same. Their library is the envy of every book club.