让我们以美联储的任务为例，看看这一策略可能如何运行。

As an example of how this approach might work, consider the task of the Federal Reserve.

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直到在2010年5月萨帕特罗先生看这一情况为时已晚。

By the time Mr Zapatero saw the light in May 2010, it was too late.

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全美和世界的其他千千万万的观众则通过电视观看这一盛事的现场直播。

Millions more, around America and the world, watched the event live on television.

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So, hopefully, if you were to go back and look you could see that this is, in fact, copper.

因此，我希望大家如果回去再看一遍,这个题目的话，能够知道这是铜原子。

麻省理工公开课 - 化学原理课程节选

So if you're not in this 77%, let's quickly go over why, in fact, this is the correct answer, . 9 times 10 to the negative 18 joules.

如果你们不在这77%中，让我们快速的来看一看为什么，这个是正确答案，0，9乘以10的负18次方焦耳。

麻省理工公开课 - 化学原理课程节选

Milton has just been entertaining the glorious moment of the apocalypse at the end of time because he's always looking further and further and further ahead.

弥尔顿刚要享受,基督启示最后这一辉煌的时刻,因为他总是不断努力朝前看。

耶鲁公开课 - 弥尔顿课程节选