然而，19世纪的一项法律强制铁路公司每天开一趟便宜的火车，这种火车在每个车站都停，每英里只花一便士。

However, a law in the 19th century forced railway companies to run one cheap train a day which stopped at every station and cost only a penny a mile.

youdao

它可能是一个文件夹或一个鞋盒或任何你喜欢的东西，但是我认为把你的每个想法保留在每一张单独的纸上这是有好处的。

It could be a file folder or a shoebox or anything you like, but I think it's good to keep each idea on a separate piece of paper.

youdao

因为在每个迭代的里程碑，我们将处于旅行的不同位置(参见图1)，所以对于每一段旅行的入口和出口标准对每个参与者将是不同的。

Because we will be at different points of our vacation at each iteration milestone (see Figure 1), the entrance and exit criteria for each leg of the journey will be different for each participant.

youdao

Well, notice again, on each level of the tree, when I actually do the merging, so this remember, is when I wrote down just the numbers when I bottomed out with the list of size 1.

请注意，在这棵树中的每一层，我真正做合并时，就将每个大小为1的列表中的,数字写下来。

哈佛公开课 - 计算机科学课程节选

One, two, three, four, so on each level of the picture I'm drawing, I've seem only to be looking at each number once.

，2，3，4，可见，在我画的,这幅图的每一层上，对每个数字,都只会用到一次。

哈佛公开课 - 计算机科学课程节选

How do you know something like this doesn't happen every single night, every hour on the hour, ? every minute, every second?

你怎么知道这样的事,每一晚，每个小时，每分每秒都没有发生？

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