Killer app Public production of gravel is best suited to remote locales with abundant gravel resources, but rezoning has turned out to be a "killer app" for highly urbanized counties and municipalities.
「殺手級」創收法如果說土石公共造產只有在土石資源豐厚的偏遠縣市較為可行，那麼真正「殺手級」的創收法「市地重劃」，就是少數都會型縣市的專利了。