To create market awareness, sales p

To create market awareness, sales promotions could be started only after the construction site is identified and construction works have commenced on the designed construction site.
Cash advance payments on sales shall not be collected before and until 70% of constrution of the house to be sold is executed.

結果 (中文) 1:

若要创建市场意识，能确定施工现场和工程已开始设计在工地上后，才开始促销。之前，直到执行 70%的卖房的建设，不应收集现金预付的销售。

結果 (中文) 3:

创造市场意识，促销可以后才开始施工现场确定建设工程已经开始的设计施工现场。
现金预付款销售不得被收集之前，直到70 %施工的房子出售执行。