现在人们动不动就讲,这个问题十分复杂,是一个系统工程。的确,近二三十年,复杂性已经成为一个重要的研究对象,而且有专门机构以及国际会议去探讨它们。实际上,并非只有现代文明人才面对复杂的大千世界,几万年前的原始人所面对的也 Now people say at every turn that this issue is very complicated and is a systematic project. Indeed, in the last two or three decades complexity has become an important research object, with specialized agencies and international conferences to explore them. In fact, not only are modern civilized talents facing a complicated world, but also tens of thousands of years ago