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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.Tank will die if he does nothing for a long time. He will not throw stones or shoot people. The most intuitive safe house shut tank out and died for a while.25. Spend every day, every week and every month writing.来人一身褐衣，骑马背之上拱手道：在下魏国禁卫统领罗七，奉魏王之命前来求见霸王，有紧急军情禀报。　　可是，林白萍还是放不下他的妻子，如烟也觉得他们毕竟是夫妻。于是当他回家看望妻子时，她怀着他的孩子当了尼姑。谁料白萍不愿拆散边仲膺和林芷华，而又爱上了芷华的朋友张疏敏。为了调查他的死因，Siwakorn伪装成他的孪生兄弟Siwath。 他努力避免与Siwath的情人Chorprae睡觉，并会见Chorprae的女儿Daopradub，后者被迫从国外出来帮助该家族公司。