broker versus seller roles - An Overview
{知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。gap - a difference (Primarily an unfortunate difference) among two views or two sights or two situations(= quarrel) → Differenz file, → Auseinandersetzung file; a difference of view → eine Meinungsverschiedenheit; to settle or resolve just on