Her decision to leave the company proved to be an 'expensive' mistake. [=a mistake that caused her to lose a lot of money]
They live in an 'expensive' neighborhood. [=a neighborhood in which houses, apartments, etc., cost a lot to buy or rent]
an 'expensive' shop [=a shop that sells expensive things]
(..) ''Glocal''? Glocal. Our global must become local. This company keeps people on the road at least days a year. It's expensive, and it's inefficient. When I came to Craig months ago with this, he told me, and quite astutely, it's only a problem if you have a solution. (..)2009 Up in the Air