根本保证 gēn běn bǎo zhèng

DEFINITIONS

  1. fundamental assurance; the basic guarantee or foundation

CHARACTERS

根 gēn
HSK 3
root, base(d on); foundation
本 běn
HSK 1
root, origin, source; basis
保 bǎo
HSK 4
protect, safeguard, defend, care
证 zhèng
HSK 4
prove, confirm, verify; proof