It is aggrandizement buyer the sanction to the bargainor.
二是强化买方对卖方的约束力。
2
This also is asymmetry of a kind of information, but footing is to stand in the bargainor, we basically are to be aimed at the psychology of buyer to make sale method.
这个也是一种信息不对称，但是立场是站在卖方，我们主要是针对买方的心理做出营销方法。
3
Still need to affirm the integrality of bargainor property right in addition, what understanding buys a room to have mortgage, include furtive guaranty and mutual person to wait.