有无相通 yǒu wú xiāng tōng

DEFINITIONS

  1. mutual exchange of assistance (idiom)
  2. to reciprocate with material assistance

CHARACTERS

有 yǒu have, own, possess; exist
无 wú negative, no, not; KangXi radical 71
相 xiāng mutual, reciprocal, each other
通 tōng pass through, common, communicate