She said the United States is moving from mostly the direct exercise of power to what she called "a more sophisticated and difficult mix of indirect power and influence."

VOA: special.2010.05.29

Anybody, again this is a 115 kind of exercise, we're going to be moving lines around.

谁知道,这是经济学115的习题,我们要移动这些值线

耶鲁公开课 - 博弈论课程节选