【简答题】As I looked at the faces of my fellow business travelers, I was stunned by the changes I saw in their faces. Many looked visibly frightened now. Even the most sobering passengers looked grim and pale....
【简答题】Read: Lately, I've found that my personal space is being invaded more than ever before. In elevators, people are wedging themselves in just before the doors close; on the street, pedestrians are zig...