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Let's use the traditional object-oriented pattern to design the code first:我为官几十年，还从未见过你这样的巡抚。Roast steak可惜的是到达的时候晚了一步，这或许是天命所归。Factory Pattern: Factory Pattern is a frequently used pattern. Classes implemented according to Factory Pattern can generate instances of one of a group of classes according to the provided data. Usually, this group of classes has a common abstract parent class and implements the same methods, but these methods perform different operations for different data. First of all, we need to define a base class. Subclasses of this class implement methods in the base class through different methods. Then you need to define a factory class that can generate different subclass instances according to conditions. After getting an instance of a subclass, developers can call methods in the base class regardless of which subclass instance is returned.芭芭拉皇后号从巴西里约热内卢启航前往南美，寻求更美好的未来。其中，伊娃（伊万娜·巴克罗饰演）和卡罗琳娜（亚历杭德拉·奥涅瓦饰演）是两姐妹，她们差异甚大却形影不离。尼古拉斯·萨拉（乔·科塔加伦那饰演）是一位英俊的长官，因命运捉弄而出现在了错误的地点。船上有一个待解的谜团：一名乘客被谋杀，他的名字没有出现在乘客名单上，也没有人记得他的名字。浪漫爱情、阴谋诡计还有许多谎言…这艘船上每间舱室的人内心深藏着一个故事和一个黑暗的秘密。只有一件事是明了的：凶手就在这艘船上。音乐学院的天才王子遇上音乐天赋极高的疯狂妹子，音乐天赋让他们互相吸引。在一个古怪的导师带领下，他们和一群热爱音乐的朋友组成了一个特别的交响乐团，一起追求青春的音符。