大象成品w灬源码伊甸

波洛到访伊斯坦布尔之际，替英国军方解决了一起复杂的案件。在返回伦敦的途中，他遇到了老友国际客车公司的董事Bouc先生，他为波洛在最后一刻订到了东方快车的车票。在列车上，波洛遇到了形形色色的乘客，其中有一位凶残的美国富商Samuel Ratchett告诉波洛自己的生命受到威胁，他愿意支付重金让波洛保护自己，但却遭到了波洛的拒绝。第二天清晨醒来之际，波洛发现列车受困于暴风雪中而Ratchett已经在自己的包厢内身亡。在Bouc先生和医生Constantine的协助下，波洛开始对凶案展开调查。青石沟一败，安桐虽未治他死罪，活罪却没少受，从统领一军的副将一落千丈，变成一个看守草垛的小兵。The report also mentioned that the captain of Malaysia Airlines MH370 did not show any signs of personal or financial problems before taking off, there was no major change in life or drug abuse, alcohol abuse, social disorders, etc., and other crew members behaved normally.悲剧震撼人心之处，不是一些喜剧能比的。Let me explain the role of these classes: MySubject class is our main object, Observer1 and Observer2 are objects that depend on MySubject, and Observer1 and Observer2 must change when MySubject changes. The AbstractSubject class defines a list of objects to be monitored, which can be modified: add or delete monitored objects, and when MySubject changes, it is responsible for notifying the objects that exist in the list. Let's look at the implementation code:Elevator TensionDown Arrow Down Arrow-