案例:赵女士通过朋友介绍与从事蓝宝石矿石开采的王某相识。王某称投资蓝宝石矿很赚钱,希望赵女士能参与开发。于是,赵女士投入20万元用于采矿。结果由于经营不善,该项目一直处于亏损状态。2011年初,赵女士找到王某,双方达成一份协议,内容是王某自愿将一处价值50万元的房产抵押给赵某,如果在两年之内将赵女士投资款一 Case: Ms. Zhao met with a friend who is involved in the exploration of sapphire ore. Wang said sapphire investment is very profitable, hope Ms. Zhao can participate in the development. So, Ms. Zhao invested 200,000 yuan for mining. As a result of poor management, the project has been at a loss. At the beginning of 2011, Ms. Zhao found Wang, the two sides reached an agreement, the content is willing to Wang 500,000 yuan worth of real estate mortgaged to Zhao, Zhao within two years to invest a