中文翻译为英文（在线等，急用）

In this article I first studied the commodity apartment to sell in advance the contract the concept and the nature, made everybody to know its time could form a quite unified viewpoint.Next requests to grasp the commodity apartment to sell in advance the contract the effective condition, it took one kind of concrete contract existence, its effective condition must conform to the contract effective condition general principle, but it also has itself special nature, therefore must conform to "City Real estate Control law" and "City Commodity apartment Sells in advance Policing method" the special stipulation; Once more, must sell in advance the bilateral rights and obligations explicitly and to the dispute principle which appears stipulated.In which proposed explicitly must strengthen the transaction supervising and managing dynamics at the same time, but also should display various professions, various departments' function fully, enable the contract responsib