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State mode refers to allowing an object to change its behavior when its internal state changes. The object seems to have modified its class. Divide this sentence into two parts by commas. The first part means to encapsulate the state into a separate class and delegate the request to the current state object. When the internal state of the object changes, different behavior changes will be brought about. The second part is from the customer's point of view, the object used has completely different behaviors in different states. The object seems to be instantiated from different classes, but in fact this is the effect of using delegates.不仅顾小玉，就连付宇锋、苏小梨也同样犹豫起来。When Gu Xixi entered the league again, there were already tens of thousands of spectators-which was inseparable from the total population of the stars-but Gu Xixi had neglected so much.看过这期的章节，这些读者现在恐怕心都像猫在挠一样，都在翘首期盼着《绝代双骄》接下来的章节。该剧改编自1942年真实发生的“文化名人大营救”事件，将数据以千计的无名英雄为营救困港爱国文化精英和民主人士勇穿硝烟的历史过程 。英台恢复女儿装 ，兰麝满身世无双 。方知英台是女郎 ，情定三生拜高堂。多情自古多离伤 ，父母之命打鸳鸯 。楼台相会绝情殇，化为蝴蝶飞成双 。今人尤伤情意长 ，梁祝化蝶千古唱…