·2,447,543篇论文数据，部分数据来源于NoteExpress
The practice of subagency withered away, and disclosure rules were put into place.
WSJ: Dual Agency: Buyer Beware?--WSJ House Talk
And in general, I'd say that the current, somewhat confusing system is preferable to the older practice of subagency, because it allows for more flexibility.
应用推荐
模块上移
模块下移
不移动