A SECRET WEAPON FOR CLARIFY BROKER VS SELLER

{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 (Particularly an unlucky difference) between two views or two sights or two circumstancesarithmetic : the diploma or total by which issues vary in amount or measure exclusively : remainder sense 2b(one)otherness, separateness, di