法律不应是纯理想的规则，而应是可行的制度。
Law should not be defined as a ideal rule but a feasible system.
恋爱具有虚拟性、神秘性、隐秘性、超时空性和纯理想性等特点，其深层原因是浪漫心理、需要满足、人格因素和社会原因。
Net love has the features of being virtual, mysterious, private, time-space-free and idealistic. The deep reasons for it are romance, satisfaction, personality and society.
在理想情况下，每个功能区(如流程服务)都是“纯”功能区，为了实现关注点分离仅提供了一个服务类。
In an ideal world, each functional area such as process services, would be "pure", offering only one class of services in order to provide a separation of concerns.
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