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It is easy to see that OvR only needs to train N classifiers, while OvO needs to train N (N-1)/2 classifiers, so the storage overhead and test time overhead of OvO are usually larger than OvR. However, in training, each classifier of OVR uses all training samples, while each classifier of OVO only uses samples of two classes. Therefore, when there are many classes, the training time cost of OVO is usually smaller than that of OVR. As for the prediction performance, it depends on the specific data distribution, which is similar in most cases.No matter what investment you make, from the beginning, you must learn to keep the evidence and remember that only when there is evidence can you have the right to speak.韩丁作为律师去南方小城平岭办事时邂逅了罗晶晶，他被罗晶晶的独特气质和曲折遭遇所打动，想再进一步交往时，罗晶晶失踪了。韩丁在分别的日子里陷入痛苦的单恋。在徘徊迷茫中他又一次偶遇罗晶晶，两人陷入热恋中……美好的时光没有维持多久，一个本已从罗晶晶的生活中消失的男孩——龙小羽重新闯入罗晶晶的生活，他曾经是罗晶晶的初恋情人，现在是一宗案件的犯罪嫌疑人。韩丁为了罗晶晶答应做龙小羽的辩护律师打这场实际上已有结论的官司。韩丁带着罗晶晶南下绍兴，北上平岭，走访龙小羽曾经生活过，工作过的家乡和单位。因为所有的证据早已证明了龙小羽有无法逃脱的罪责，还因为罗晶晶仍深爱着龙小羽，韩丁的内心十分矛盾，他担心龙小羽把罗晶晶从他身边抢走，但作为律师的职业道德又促使他进行着艰难的走访调查，随着调查的深入龙小羽另一面的形象渐渐清晰起来，韩丁决定查明事件真相为龙小羽作无罪辩护。在同事老林的帮助下，韩丁终于查得实证，并在最后的关键时刻，凭借着无可辩驳的铁证赢得了宝贵的申冤机会。最终，龙小羽的无辜得到证明。　　柳云轩遵柳爷之命抢了紫苏。紫苏以死抗争不愿做柳爷的姨太太。柳云轩劝说她暂且认命。迎亲路上，唐景抢走了紫苏。柳爷让镇子上每家出男丁去打白风寨。柳云轩为了不让镇上的人去送死，以抵消五千大洋的人头费为条件，决定一人独闯白风寨夺回紫苏。 　　Sister Ping said that she didn't think too much about dyeing vegetation, but simply wanted to do one thing well. As to whether it could produce economic benefits, she didn't specifically consider it. I wish I were happy to do it.据说当时见了胡巡抚也就只点了个头。郭寒的小说很符合青少年们对青春的幻想、对情感的诉求，为青少年开启了一扇抒发情感的窗口，所以郭寒才会有现在的人气，才会有很多死忠粉。