You have a very, very changing demographic situation in the American South and its political culture has to respond to that.

你可以想象,当时的美国南方,人口流动是非常厉害的,所以当时的政治文化必须做出相应的调整

耶鲁公开课 - 美国内战与重建课程节选

There was a boy in that class who was a great hacker and I know he can hack things very quickly.

班上有个男孩，是一个很厉害的黑客，可以迅速地入侵系统。

理想是当密码专家 - SpeakingMax英语口语达人