互通有无

互通有無
hùtōngyǒuwú
(idiom) mutual exchange of assistance; to benefit from each other's strengths and make up each other's shortfalls; to reciprocate with material assistance; to scratch each other's back

CEDICT

相互交换以满足各自的需要。

重編國語辭典

Entry Composition

1 互通 hùtōng
  1. to intercommunicate
  2. to interoperate
2 有无 yǒuwú
  1. to have or have not
  2. surplus and shortfall
  3. tangible and intangible
  4. corporeal and incorporeal