People started using it more than 4,000 years ago to do maths.
早在4000多年前，人们就已经开始用它来算术。
People started using the site, but the mailing list was still the big deal then for users. In a sense, back then it was not much different than it is now.
人们开始使用这个网站，但那个时候，大量的人们在使用邮件列表，从某种意义上讲，在那个时候，二者之间的差别不像现在那么大。
People started using the site, but the mailing list was still the big deal then for users. In a sense, back then it was not much different than it is now.
人们开始使用这个网站，但那个时候，大量的人们在使用邮件列表，从某种意义上讲，在那个时候，二者之间的差别不像现在那么大。
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