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。hole - a difference (In particular an unfortunate difference) concerning two viewpoints or two sights or two predicaments(= quarrel) → Differenz file, → Auseinandersetzung f; a difference of viewpoint → eine Meinungsverschiedenheit; to settle