The number "zero" is not very old.
数字“0”，其实很年轻。
People used to count without zero.
很久以前，人们数数不用零。
India first gave the world the idea of zero.
是印度人，最先想出了零。
Then zero traveled to Arabia.
后来它传到了阿拉伯。
Arab traders brought it to Europe.
阿拉伯商人又把它带到欧洲。
Zero means nothing, but it is a powerful number.
零表示“没有”，可它本领很大。
Without zero, we could not write 100.
没有零，我们都写不出一百。
