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Similar to the development of children from appearance and color to older children, they can be classified according to concepts. For example, if they know the concept of "food", no matter what kind of vegetables they look like, they should be classified into one category. The classification of biology has also developed in this way. The earliest method is to identify and distinguish species according to phenotypic characteristics, and to classify them step by step according to the degree of phenotypic similarity, so as to establish a classification system that is easy to retrieve. This is the principle of phenotypic classification. However, the problem of phenotypic classification is that it is difficult to reveal the essential laws of things. Many creatures with very different shapes may have kinship relationships. For example, the online sentence "When I knew sunflowers belonged to Compositae, I collapsed" is what it means.说不定有敌人存在，单单是那狼群便不容易对付，没必要做不必要的冒险和牺牲。不过要把各样装备都用心打理妥当。许青梅是一家餐饮店的老板娘，乐善好施、刀子嘴豆腐心。服务员安蓝有一段难以忘记的童年往事和经历。两个女人非亲姐妹却互相扶持。张生是一直送货的小伙计，对安蓝情有独钟，安蓝将自己的童年往事和情感经历告诉了张生，得知安蓝的往事和遭遇后让他更加敬佩这个女人，当张生向安蓝表明自己爱意的时候却被她一口拒绝，安蓝虽然对张生心存好感但始终不想再触及爱情，一次偶然的独自邂逅让安蓝对张生有了更进一步的了解，她愿意放手过去重新开始自己的真爱。他们终于相爱了。剧酷传播出品的2013幸福婚姻智慧剧《幸福媳妇成长记》，由著名的台湾导演林添一全力打造，讲述了甘婷婷扮演的媳妇叶筱羽如何四两拨千斤，化敌为友，让婚姻中的天敌们都变成了自己的闺蜜，一路学习如何搞定婚姻中的小坎坷的故事。剧中戴娇倩饰演的徐倩倩正是天敌一号人物就是等你，我们才迟了。是……可毕竟都是同县……杨长帆依然劝道，降50文，您看如何？降50？何员外大笑道，好，四钱五分。