Another aha! moment came from a 2010 Wayne State University research project that looked into pre-1950s baseball cards of Major League players. 另一项令人顿悟的研究是由2010年韦恩州立大学进行的，这个项目研究了二十世纪五十年代前美国职业棒球联盟球员卡。
I remember walking around on my first day in Guadalajara, 我还记得当我到达瓜达拉哈拉的第一天， watching the people going to work, rolling up tortillas in the marketplace, smoking, laughing. 看着人们前往工作，在市集上吃着墨西哥卷、抽着烟、大笑着。
Hi, everybody. This week, I've been speaking about America's national security -- our past, our present, and our future. On Thursday, I outlined the future of our fight against terrorism -- the threat
