Finally, Milton's poem is late by virtue of the simple fact that it's written in the form of an epic. An epic might have seemed like a great idea when Milton was nineteen, but by the time Milton gets actually around to writing it, it's an entirely superannuated, utterly outdated form.

最后，弥尔顿这么晚才写这首诗是因为,这是一首史诗，在弥尔顿19岁的时候,写首史诗看起来可能是个好主意，但到了弥尔顿真正要写的时候，史诗已经是一种完全落伍过时的诗体了。

耶鲁公开课 - 弥尔顿课程节选

The problem is as simple as the fact that millions of people who are unable to move or to communicate.

问题很简单,数以百万的人们无法行动，或者与人交流。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

In other words, we're taking advantage of the fact that we now know that quantity. In the case of the ideal gas we just have a simple model for it.

换句话说，我们可以利用我们已经,了解这个物理量的这个优势,对理想气体我们有一个简单的模型。

麻省理工公开课 - 热力学与动力学课程节选

You wouldn't be expected to be able to guess that this would happen, because using any kind of simple theory, we would, in fact, predict that this would not be the case, but what we find experimentally is that it's more stable to have half filled d orbital than to have a 4 s 2, and a 3 d 4.

你们不用预期有能力,猜出这个会发生，因为使用任一种简单的理论，我们事实上可以预测不会是那种情况，但是我们在实验中发现的,是半填充d轨道比,4s23d4更加稳定。

麻省理工公开课 - 化学原理课程节选