He noted,however,that the U.S. considers Iran to be an important player related to Afghanistan, and sees the issue as a very productive area for engagement in the future Anticipating President Barack Obama's Strategic Review on Afghanistan and Pakistan, Mohammad Mehdi Akhonzadeh said Iran expects measurable change, not rhetoric from the United States.

VOA: standard.2009.03.27

.. It's not going to work, we're not going to enjoy-- something's wrong with that because it's going to create a moral hazard problem and we're not going to be as productive.

那样行不通，我们没法-,那样会产生麻烦,会产生道德风险,生产力也会下降。

耶鲁公开课 - 金融市场课程节选

So if I sleep more, I think I'll be more happy and more productive.

所以，如果我补充睡眠的话，我想我会心情舒畅，干活也更有效率。

I need 实战 - SpeakingMax英语口语达人