With inelastic products and solutions, when the cost changes considerably There exists not a substantial decrease in the amount demanded. This exhibits that people who are depending on this item have no preference, and so will pay a higher value for it. These products will almost always be demanded.–  A satisfactory conventional of writing and c… Read More

最重要的技巧还是多看书多看书多看书! 写东西还是要靠积累的; 古人说得好, 思而不学则殆. 脑子里空空如也, 又怎么会写好论文呢? 写出来的东西也只能是平平无奇; 知识储存量够的话查文献也能快很多, 写作的速度也会加倍!这种类型的抽象是适合于冗长的报告和研… Read More