你绝对必须知道的唯一东西是图书馆的位置。
The only thing that you absolutely have to know is the location of the library.
Globalization isn't a multiple-choice question, it's a survival test.
The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.