实体框架在使用.Include时不会加载相关实体，除非上下文知道相关实体

Using Entity Framework 6.1.x with the default User (ApplicationUser) model that is included when starting a basic Asp.NET MVC project. Related to the question are two more entities: Customer and Organization (both work in progress). Below is the Customer class.Using Entity Framework 6.1.x with the default U