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"Teacher, when I synthesize crystals, I need to find different conditions to synthesize them, but there are too many tests. Do you have any better methods?" "What do you synthesize crystals for?" "Of course, it is to test its performance." "Then why do we stick to the need to synthesize crystals before testing properties? We can test properties with the results of each time. Maybe we can find better substances, can't we?" "Ah! Yes, thank you, teacher, I'll try it!" In an exchange with Mr. Sun Yimin, the teacher proved once again the correctness of the sentence "Don't stick to books and documents" while solving the problems of the team members.瑛姑本是大户人家的少奶奶，入门八年连生三女，第三个女儿又被人指为灾星，因此被婆家厌弃。为保护女儿，丈夫绪之被迫带着她分了家。岂料绪之被人陷害亡故，此时，瑛姑腹中已有了绪之的遗腹子。婆家不承认她腹中之子，瑛姑带着三个孩子流落江湖。回娘家嫂嫂不容，瑛姑被迫嫁与大烟鬼。大烟鬼丧尽天良，为了两个月烟钱卖掉了瑛姑的三女儿。瑛姑愤而放火，锒铛入狱，在狱中生下儿子牢生。出狱之后，生活无比艰辛。丈夫的胞生弟弟绎之努力施以援手，她深知绎之的好，却是曾经沧海难为水。她带着三个孩子去寻找失去的三女儿。民国政治动乱，军阀混战，路途中，瑛姑又与另外的几个孩子失散。从此，瑛姑活着的目的便是找到几个孩子，这一找就是十五年。虽然经历了生离死别，也遭遇过不被孩子认可，但最终瑛姑用无私的母爱感动了大家，她和孩子们终于团圆了。Therefore, life is the best mentor, and only when she hits a wall can she adjust herself. However, I don't know that when she wakes up again, the people who are hurt everywhere are still waiting for her.主要讲述唐朝天授年间，国泰民安却也暗潮涌动，坊间多有诡事发生。年轻的狄仁杰在追查多人失踪案时无意中撞见活人变干尸的怪事件，而官府对该事件切刻意隐瞒，经过初步调查此事涉及宫廷内斗，为讨公道狄仁杰一意孤行，联手发小女保镖鱼兰青把真相揭露到底，在遭遇神秘刺客多次袭击同时结识了身背两条人命案的嫌犯欧阳华，千丝万缕中他渐渐发现真相的背后还有真相，而欧阳华正是干尸一案的关键所在，因两派势力的互斗，狄仁杰等人被卷入了漩涡之中，在真相呼之欲出之时狄仁杰身陷困境，生命随时有被暗杀者夺走之险。　　However, offline organizations also have many limitations in the process of large-scale development. First, their enrollment and teaching staff construction are limited by regions. Second, it is facing the problem of expansion in different places brought about by the choice of stores and different policies for running schools in different places. Third, the investment required for the construction and management of its stores is relatively heavy. Fourth, there is a shortage of outstanding management talents and it is difficult to duplicate store management talents.