文章越写越长,值得研究。书写工具的改进当然是原因之一。用刀子在竹木简上刻字很累人,自然越简越好。用笔写在绢帛或纸张上方便得多,文章也就长起来了。到了电脑普及的时代,能有一天数 The longer the article written, it is worth studying. Of course, the improvement of writing tools is one of the reasons. Bamboo with a knife on the lettering is very tiring, the simpler the better natural. It is far more convenient to write on silk or paper with a pen, and the article grows up. To the era of universal computer, there can be a few days