This is well understood. In actual development, we often encounter too many methods defined in this interface, so that sometimes we do not need them all in some implementation classes. Look at the code:
《新爱大师第四季》改编自Thomas Maier的小说，讲述两位性教育研究专家主人公William Masters和Virginia Johnson的故事，他们一同对外传授夫妻生活之道，以及两人之间的关系。
On the "Learning Power" client, open the "Movie" channel, and classic movies such as "Heroes and Daughters", "Wildfire Spring Breeze Fighting the Ancient City", "Earthquakes", "Red Flag Spectrum" and "Sparkling Red Star" can be watched directly. On the "TV series" channel, TV series such as "Snow", "Village Blown by Sea Breeze", "Campus Pioneer", "Eagle Falcon Brigade" and "Massage" came into view.
三人依照一 张人皮地图穿过遮龙山下古滇国秘密地下水道，不料遭遇千年痋术机关，成千上万个奴隶制成的“痋俑”像炸弹一样倒悬在洞顶，当它们接二连三地落入水中，引发的却是一连串的弱肉强食，一物降一物；丛林中夜现“SOS”电码，是曾经葬身此地的飞虎队队员怨魂作祟，还是献王的大祭师设下的迷局……
一场严重意外让班（Pablo Pauly 饰）进了复健中心，连洗澡、更衣、走路都无法自理，遑论上场打他最爱的篮球。班在中心里认识的新朋友皆是四肢瘫痪、下肢瘫痪或创伤性脑损伤的重度身障者，一群人被生理障碍折磨到精疲力尽、互相谩骂却又彼此提携，并一同学习耐心的重要。他们挣扎着踏上「重生」之路，经历一段混杂成功与挫败、泪水与欢笑的旅程，途中结识各式各样的人——痊愈，并非孤军奋战。
自由摄影师赵泽瑞(张文骏饰)与前女友程琳(李金莎饰)分手后整日沉迷花丛，不料一天一夜情之后醒来，发现自己变身成了大美女(孙莉娅饰)，回到家急急忙忙向自己同居的好朋友黄新(袁伟龙饰)证明自己的身份……
1949年10月1日新中国成立。人民解放军继续南下。广州解放前夜，国民党特务美制登陆舰“联荣号”溃逃台湾，途中停泊澳门内港。
《纸房子》第 4 部分在混乱中开始：教授认为里斯本已经被处决，里约和东京炸毁了一辆陆军坦克，内罗毕在生死之间挣扎。该团伙正在经历其最艰难的时刻之一，而敌人的崛起将会把抢劫行动置于严重的危险之中。
故事背景为20世纪30年代的上海，讲述了一位梦想破灭的前美国外交官与一位被迫在酒吧中低贱过活的流亡俄罗斯女伯爵之间的故事。故事发生在20世纪30年代的上海，托德（拉尔夫·费因斯 Ralph Fiennes 饰）是一位生活和事业都陷入了瓶颈的外交官，整日混迹于欢场和酒馆之间。刚刚来到这里的时候，托德也有过宏大和高远的理想，但渐渐失去的视力和复杂的权谋争斗让他无法再在职业的道路上前进下去。
但是终究没有说出一句完整的话。
Part: The criminal's confession and the process of the crime,
A low temperature stop valve, Unlike Example 1, Comprises a valve body 1 and a valve cover 2, A valve stem 3 is arrange in that valve body 1, One end of the valve stem 3 is provided with a valve disc 4, The other end of the valve stem 3 is provided with an adjusting handwheel 5, A low portion of that disc 4 is provided with a guide sleeve 6, The guide sleeve 6 is fixed by means of a connecting piece and a spring pad 8, Between that disc 4 and the guide sleeve 6 is provide a valve seat 7, A packing assembly 9 is arranged between the valve stem 3 and the valve cover 2, the O-ring 10 is further arranged at the upper part of the packing assembly 9, the upper part of the O-ring 10 is provided with a packing gland 11, the valve body 1 is provided with an arc-shaped end face 12 which forms a line seal between the valve body 1 and the valve seat 7, and the contact end of the valve disc 4 and the valve seat 7 is provided with a water grain surface 41, the packing assembly 9 comprises a flexible graphite packing layer.
It's the ticket gate. The ticket gate of Nagoya subway is no different from that of China. It looks like this:
难道这上面写的，都是真的？他心中生出一股莫名的震撼和激动。
Factory method: Create a single object, which is used in Abstract Factory.
Six fairies
(4) There are more than 12 registered fire engineers, including at least 8 first-class registered fire engineers;
System.out.println ("observer1 has received! ");
Some voters also expressed anger: Is there no way out? Only when the money disappears in vain?
