From the defender's point of view, this type of attack has proved (so far) to be very problematic, because we do not have effective methods to defend against this type of attack. Fundamentally speaking, we do not have an effective way for DNN to produce good output for all inputs. It is very difficult for them to do so, because DNN performs nonlinear/nonconvex optimization in a very large space, and we have not taught them to learn generalized high-level representations. You can read Ian and Nicolas's in-depth articles (http://www.cleverhans.io/security/privacy/ml/2017/02/15/why-attaching-machine-learning-is-easier-than-defending-it.html) to learn more about this.
郭家一直人丁不旺，到第四代传人郭一山，娶了两房夫人都相继去世，只留下一个小女儿。为传宗接代，让郭氏正骨代代相传，郭一山又急急迎娶小他十一岁的山村姑娘云鹤鸣。
Mullenathan said: "People's vision will become narrow due to scarcity mentality, forming a restricted view, that is, only a small number of objects can be seen through the holes in the 'pipe' and everything outside the pipe is ignored."
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一个身怀绝技的少年，没能通过遴选走上修真者之路，就在他调整好心态，接受这一事实的时候，几颗神秘的骰子突然出现，他突然拥有了神奇的能力，更被赋予重建神族的使命，少年的人生由此改变。
——她好容易才弄清夜香是什么意思。
To add, it is said that the hostess was pregnant at the time of the crime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
何永强坐在车内，快速扇着扇子，口中咒骂：我还从未见过如此忘恩负义之人。
The ISO of Huawei's mobile phone can automatically,
改编成电视剧后，历史上的德龄成了剧中的毓琳。剧中，毓琳是慈禧最喜欢的一个格格，她呆在慈禧身边时间最长，电视剧通过毓琳与慈禧的关系处理，来展示慈禧作为一个女人的善的一面，以及她思想中开明的一面。 剧中女主角十三格格将由金马影后李小璐扮演；小李子将由极有观众缘的傅彪担纲。
心里这样想着，忍不住就破涕为笑。
"To live a meaningful life is to constantly give yourself new things."
当下，众少年少女看香荽的眼光无限钦佩。
Referee Answer:
Suppose we get the inventory of all colors of mobile phones from the background in advance.
Category 4: Through the intermediate category
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就这样，那还是看她行事机灵，又善厨艺，不然还不够格呢。
