It won't come fully in force in the U.S. Until 2009; it's already starting to have its impact.

直到2009年该协议才会在美国完全生效,但它已经开始发挥影响力了

耶鲁公开课 - 金融市场课程节选

And then watch what happens to the prose style and the difference in tone: I find it most difficult to express with adequate force that flash, that shiver, that impact of passionate recognition.

然后看看那些散文风格,及语调发生的改变：,我发现要恰如其份地表现一刹那的那种颤栗，那种动了感情发现的碰撞，真是最为困难。

耶鲁公开课 - 1945年后的美国小说课程节选