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When "cracking" the sand pile paradox, we often have to set a fixed boundary. If we say "10,000 grains of sand are a pile of sand", then less than 10,000 grains of sand cannot be called a pile of sand. Then it is somewhat unreasonable to distinguish 9999 grains of sand from 10001 grains of sand. This has to set a variable boundary, but what is this boundary? We don't know now. Then the value of "10,000 grains of sand are a pile of sand" originally set as knowledge will be reduced.Through this practical activity in the countryside, we not only deepened our knowledge in practice, but also learned knowledge not found in books and received profound education. I have learned about some people's feelings and the current situation of young people in the village and town. Through our observation and feelings and our conversation with the masses, we also feel the pragmatic working attitude of rural grassroots party members and cadres and their selfless dedication to work wholeheartedly for the interests of the people. It gives us a higher spiritual pursuit. In addition, in this practice, according to what I personally felt, saw and heard, I had the necessary understanding of the current situation in the town, thus entering into more in-depth thinking.文根英在剧中饰演往十里地铁警察队新刑警刘玲，她患有自闭症的双胞胎弟弟失踪，为了寻找弟弟，报名参加了地铁警察队，在那里遇到宿命的搭档警察队班长。《奇遇人生》是腾讯视频推出的国内首档明星纪实真人秀节目。节目由阿雅与她的明星好友，在全球范围内分别展开旅行。每一次行程，都是基于嘉宾内心对“诗与远方”的向往，专属定制的关乎心灵与人生的体验之旅。在这个过程中，向外探索认知的边界，向内触及明星的内心，以包容增进对人生的理解，以及对自我的认知。她紧闭嘴唇，神情坚定，心中已经有了算计。"There are all kinds of garbage bags in the house."那就对了。