2001总吨至30000总吨的部分，每总吨增加800计算单位；
我家住在县城汽车站附近的一条巷子里，简直就是《请回答1988》里的双门洞。院里种着一棵樱桃树，春天会开粉色的花，成熟时，邻居们会毫不客气地到家里摘樱桃。邻居炸的黄豆、做的酱豆饼也会送到我家来。
，详情可参考同城约会
func (opt *Option) ArgUint() (uint, error)，更多细节参见体育直播
I wouldn't recommend this approach, since regexes are fidgety to write and worse to read (believe me, I've seen millions). They're easy to get wrong, and engines may differ in subtle but important ways. The fact that the top ten regexes contains at least one such subtle bug should suggest that regexes are, in fact, not a good tool for input validation.
# 设置用户密码, 默认它创建了两个用户，一个是 root，一个是当前用户，使用 whoami 可查看当前用户名