Any change faces resistance from entrenched interests.
Tips
register
Political and economic register — articles on reform, policy analysis, editorials. Neutral-to-critical tone: the phrase presumes there's something questionable about the interests being protected.
usage
Frequently pairs with 集团 (vested-interest group), 阶层 (class), 者 (those with). Structurally behaves like a noun phrase and can take modifiers or be the subject of a verb.