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2. Reflection amplification attackSun Guofu stressed, "The return on investment cycle for early events is expected to be relatively long, but at this stage, many athletes on this track have already obtained VC investment. In the next 3-6 months, it is expected that all brands of teaching products and customer acquisition routes will be basically polished and mature. At that time, products with high completion rate, good renewal rate and high proportion of word-of-mouth recommendation will be able to achieve benign and rapid growth, thus obtaining more investment. "2. As a Cheng Yuan who has been engaged in machine learning for more than two years, seeing the computer series you recommended also thinks it is very unreliable. I have read most of the books you recommended. In particular, novice readers are not recommended to read "Introduction to Algorithms" and "Data Mining: Concepts and Technologies". These two books are thick and heavy. Although the content is also good, you will not know the year of the monkey when you finish reading them. What does a novice need? It's getting started! Secondly, have you really finished reading Python Core Programming? This book is not for Python newcomers. It is very thick and difficult. It is very unfriendly to newcomers. And if you just want to be AI, then many parts of this book don't need to be used. Is web development and Django framework really necessary for our AI engineers? No. Xiao Bai has no distinction between key and non-key points in a book. He spent a lot of time learning unnecessary knowledge, which really does more harm than good. Giving guiding and targeted recommendations is responsible recommendation.　　故事发生在一座机场，海关检查人员发现了一个鼻青脸肿的年轻人。年轻人声称自己是十年前失踪的孩子Adrien Legrand。对于他的父亲文森特来说，这标志着漫长噩梦的终结，终于把儿子带回了家。与此同时，一系列可怕谋杀案的发生对该地区构成了巨大压力，而汽车展厅里的模特Alexia却具有目标受害者的所有特征。“在我们互相爱慕之前！！”你是谁？你想要什么？你爱干什么？这些都不重要，重要的是你怎么把东西卖出去。《广告狂人》由《黑道家族》的制片人和编剧Matthew Weiner出品，背景设定在上世纪六十年代，聚焦于这个美国梦形成继而破碎的年代，大胆地描述了美国广告业黄金时代残酷的商业竞争。《广告狂人》第二季的故事结束于冷战的全面爆发，彻底击碎了中产阶级独自安于一隅的美梦。第三季的故事从预告片来看也应该走向更加绝望与悲观的阶段。我们不难看出剧集片头中一个男人坠落的画面，不知是隐喻本片的主人公的生活，还是指60年代美国梦的殒落。民国初年，虎头镇上有一戆直青年朱锦春（郑少秋），为人勤恳，心地善良。他锺情全镇最美的少女蓉蓉（李司棋），无奈蓉父易父泰嫌贫爱富，对他时加白眼。一日，北方大盗进袭虎头镇，大事抢掠，春率众抵抗，终击退盗贼。春与村民决定从军，但因体格检验不及格，未被军队取录。为求生计，迫得落草为寇，却误打误撞被推举为首领。春一心与母（邓碧云）安享富贵，但三天不到，便遭军队围剿，最后被安抚为兵。孰料却因此平步青云，成为大军阀。后来军队叛变，春被迫下台，流落街头卖武维生，辗转来到上海拍电影，又遇到贵人，迅速成为天皇巨星，不久更成上海滩大亨，可惜又遭身边人陷害，误为汉奸，以要胁他假扮满洲国皇帝，以帮助日本帝国完成统一中国的任务，却因此展开了春与宝妃（沈殿霞）一段扑朔迷离的爱情……