be incumbent أمثلة على

• She taught us we had a responsibility to the community we grew up in, that it was incumbent upon us as Bellefleurs to give back.
  علمتنا اننا نملك مسؤوليات تجاه المجتمع الي نشأنا فيه انه يتعين علينا كابناء عائلة بلفلور