本a本b和一本二本区别

2. The coupling between the publisher and the subscriber is reduced. The publisher only publishes a message, and it does not care how the message is used by the subscriber. At the same time, the subscriber only monitors the event name of the publisher. As long as the event name of the publisher remains unchanged, it does not care how the publisher changes. Similarly, the seller (publisher) only needs to tell the subscriber (buyer) about the arrival of shoes, regardless of whether the buyer buys or not, or whether he buys other sellers. As long as the shoes arrive, the subscriber can be notified.There is only one instance in the whole mobile phone operating system, that is, the memory receipt.该剧是一部描绘警察大学里发生的青春成长故事的作品。庄谢已经做好瞬间出戏的准备了。罗家姐妹过着无忧无虑的生活，她们的父亲是一家国企的老总。妹妹罗一是抱养来的孩子，而且从小就一直耳聋，也许是因为这一点平时父母总是宠爱罗一。姐姐罗柔觉得妹妹不该抢占自己该有的生活，幼小的她心中发生扭曲，开始装委屈将闯出的祸事都推给妹妹，事情被父母识破后罗柔总会遭到责骂和惩罚，于是她变本加厉的欺负妹妹。而罗一尽管残疾却怀着要当提琴演奏家的愿望，父亲慈爱的鼓励是她最大的动力。少年时姐妹俩都爱上了她们的家庭教师，罗柔的欺骗行为被识破，她更痛恨妹妹抢走了自己的初恋。因小人陷害罗家败落了，家庭发生的巨大变化使罗家姐妹失去了双亲，姑妈的出现揭开了罗一的身世，姐妹俩与作家司青发生的感情纠葛，罗柔的不则手段和罗一的善良宽容，使她们的人生发生戏剧性的变化。再说张家一行，板栗先送爹娘回府。东晋初年深受百姓爱戴的清官遭陷害，黄初平代表民众冒险呈送“万民折”并解救了清官程大人的家人，此事得罪当地贪官刘知县和恶霸张百万，恶人依仗朝廷有人撑腰，设毒计坠毁害黄初平，黄初平顺民意，扶正气，勇敢无畏与恶势力作斗争，最终粉碎了贪官污吏的一系列阴谋，铲除了恶势力又遇天灾，一场瘟疫使百姓陷入了痛苦中之，黄初平带领乡亲抗病魔，战灾害，顽强的与困难作斗争。此义举受到了朝廷的嘉奖，黄初平又将朝廷的赏银全部献出，兴办了义学，让穷苦的孩子接受教育。