Groups exist mostly so that resources can be Shared between users belonging to the same group.

之所以需要组是为了让属于同一组的用户能够共享资源。

youdao

Gum: In Botany, an adhesive substance of vegetable origin , mostly obtained as exudate from the Bark of trees or shrubs Belonging to the pea family .

树胶：植物产生的黏性物质，多得自豆目豆科乔木或灌木树皮的渗出物。

youdao

Thousand of houses have been destroyed, mostly thatched huts belonging to villagers along the coast, our correspondent adds.

BBC: Bangladesh rides out weakened storm