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Some common behavior methods will be defined in the state class, and Context will eventually delegate the request to these methods of the state object. In this example, this method is buttonWasPressed. No matter how many state classes are added, they must implement the buttonWasPressed method张杨愣了一下。For the advantages we mentioned, the second point is that we can understand the virtual agent below. The virtual agent is used to control access to the ontology with high creation cost. It will postpone the instantiation of the ontology until a method is called. For example, if the instantiation of an object is very slow now, it cannot be completed immediately when the web page is loaded. We can create a virtual agent for it and let it postpone the instance of the object until it is needed.徐文长听过后，面色逐渐冷静下来，不动声色问道：胡巡抚是要助我为官，还是纳我入幕？胡宗宪微微一愣：鱼与熊掌，自可兼得。10. Quanzhou Erythrina Park香荽叹了口气，只得走了。《美女足球队》讲述了一个足球学校为了迎接香港明星足球队的友谊赛而聘请了曾经叱诧球坛的足球先生——赵大河（彭旭饰），女汉子林晓路（李梦云饰）误会其为色狼，在解除误会后两人渐渐产生情愫，而校花队友朱沐歆（许嘉雯饰）也对教练一见钟情，对追求者马锋（皓博饰）不冷不热只当做备胎。四人陷入了爱情拉锯战，而林晓路也因重病耽误赛事。在爱情与病魔的双重打击下，女汉子林晓路将如何应战呢？