造纸术不仅是中国古代的伟大发明,同时也促进了世界文明的发展。请根据下面表格里所提示的内容,以One of the Most Helpful Inventions为题写一篇短文。词数60-80之间。
Invention
| Paper
|
Time
| Western Han dynasty
|
Inventor
| Cai Lun
|
Materials
| bark, ropes, rags and so on
|
Uses
| writing, painting, printing books and so on
|
One of the Most Helpful Inventions
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