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云海燕声音平淡，如同局外人一样，说出相关数据。一部黑人歌舞音乐片，关于大萧条时期南方一家非法经营的酒吧。两人的对答让围观的乡民和押解他们的军汉都听呆了：怎么觉得这娃儿不像是被流放的，倒像是出门去游玩的？一个男娃忍不住问道：香荽，你们……你们不是被流放去么？被流放还这么开心？香荽也对他甜笑道：是呀。板栗大笑。@ Lillian LilianPS: Many forums have seen beginners ask whether WCF still needs to learn in depth, because they think these technologies may be outdated. Maybe Microsoft will launch a new SOA implementation scheme at that time. Wouldn't it be a waste of time to learn in depth, so they feel that there is no need to learn in depth and just know how to use them. I had the same feeling about this problem before, but now I think that although WCF technology may be replaced, the key to understanding a technology in depth is not to know some more advanced API calls, but to understand its implementation mechanism and way of thinking. Even if the latter technology is replaced, the mechanism behind it is definitely similar. Therefore, if you have a thorough understanding of a technology, you will feel familiar with the new technology and relaxed about it. In addition, after you have a thorough understanding of a technology, you dare to say that you have mastered the technology well during the interview, instead of saying that you use it a lot at ordinary times. Once you ask deeply, you do not know the implementation principle behind it. This is also why I want to write WCF series. I hope this opinion is helpful to some beginners.