“养一株小草，到野外去观鸟，考察某块石头，这都不需要大的投资，也不需要高深的理论背景，只要解决了衣食问题，就可以进行，”北大哲学系副教授刘华杰说，“所以，博物学的门槛很低，是普通公众接触科学的一种非常好的方式。” 现在是科学技术的时代，很多人都希望 “Cultivating a small grass, going to the wild to observe the birds, and investigating a certain piece of stone do not require large investments or advanced theoretical backgrounds. As long as the problem of food and clothing is solved, it can be carried out,” said Liu Huajie, associate professor of Philosophy of Peking University. Said, “So, the threshold of natural science is very low, and it is a very good way for the general public to come into contact with science.” Now is the age of science and technology. Many people hope that