Origin of Qingming

Long ago, Napoleon said that a soldier who doesn't want to be a general is not a good soldier. Much later, Su Jian said that graduate students who do not want to become academicians are not good students. From a master's degree to an academician, there is only one word difference. Some people have struggled all their lives, but it is still out of reach. … Industrial wastewater? Little kiss, put this thing into the sewer pipe and solve the problem immediately. Is air pollution a big deal? Install the universal absorbing disk I invented in the chimney, and the removal efficiency will be 100%! Greenhouse effect? Hey, wouldn't it be enough to send excess carbon dioxide and methane to Mars? ! …