劣币驱逐良币 liè bì qū zhú liáng bì

DEFINITIONS

  1. bad money drives out good money (economics)

CHARACTERS

劣 liè bad, inferior; slightly
币 bì currency, coins, legal tender
驱 qū spur a horse on; expel, drive away
逐 zhú chase, expel; one by one
良 liáng good, virtuous, respectable
币 bì currency, coins, legal tender