Law enforcement is currently a closed system. It's nation-based, while the threat is international. 执法活动在当下仍属一个封闭的系统。它虽以国家为基础，但威胁是国际性的。 Policing doesn't scale globally. At least, it hasn't, and our cu
After several more years of teaching, I came to the conclusion that what we need in education 经过几年教学之后，我得出一个结论，我们在教育方面所需要的是 is a much better understanding of students and learning from a motivational
After another two hours of hiking, the winding trail abruptly ended at a clearing, and before us was a mass of holes that could fit into the size of a football field, 又走了两个小时蜿蜒的小径戛然而止，我们面前的空地上出现了一大片坑洞
President Bush Visits National Naval Medical Center THE PRESIDENT: Admiral, thank you very much for leading an amazing group of men and women who provide such compassion and skill for those who have b
