You can personally do your home work or seek for a knowledgeable person like a real estate agent or a broker. 你可以做你自己的工作或回家求知情者像个房地产经纪人或代理人。
A third person dealing with a known agent must use reasonable diligence to ascertain whether the agent is acting within the scope of his powers. 与已知的代理人进行交易的第三人必须以合理的注意去确认代理人是否在他的权利范围内行事。
