案例简介：１９９５年，某市医药管理局下属药材公司党委书记董某和经理常某商定，在支付施工单位工程款时，先后３次虚开支票多支付了３０万元，又让施工单位以董、常等人的名义将该３０万元汇往市房产公司购买了两套住房，并分别签订了购房协议。二人拿上钥匙后未搬进居住，? Case Description: In 1995, the city of Medicine Authority under the drug company secretary Dong Moumou and manager often agreed to pay the construction unit project payments, has three times fictitious check pay more than 300,000 yuan, let the construction unit to In the name of Dong, Chang and others, the 300,000 yuan remitted to the city real estate company to buy two sets of housing, and respectively signed a purchase agreement. Two people did not move into the house after taking the key,?