So even though we think of conditions as being Boolean values true or false, really underneath the hood true means anything other than zero.

即使我们考虑,布尔值的真假条件，在底层“真“表示非零。

哈佛公开课 - 计算机科学课程节选

What actually goes on underneath the hood?

在其背后是怎样运作的呢？

哈佛公开课 - 计算机科学课程节选

Peddlers who had these big, big leather bags that would go around Europe and sell things like pins and miraculous images of the Virgin Mary and the stories of saints and all this kind of stuff and Joan of Arc or Robin Hood, in the case of England, become part of the collective memory.

拿着大皮袋的小贩们走遍欧洲,到处贩卖例如胸针,圣母画像,圣徒故事,圣女贞德和罗宾汉之类的小册子,这成了英国大众记忆的一部分

耶鲁公开课 - 欧洲文明课程节选

So it's doing something underneath the hood.

它会在后台运行一些的操作。

哈佛公开课 - 计算机科学课程节选

Now, really underneath the hood?

现在，在底层？

哈佛公开课 - 计算机科学课程节选

What's going on underneath the hood is we'll see pictorially X today is that when I declare this X, this variable X here.

底下所做的，我们将看到,当我声明这个X，这个变量。

哈佛公开课 - 计算机科学课程节选

But it is in fact indicative of what's actually going on underneath the hood and for a forensic investigator to be honest and even problem set 5, it poses a potential wrinkle if those JPEGs, those photos we took are not contiguous back to back to back but are all over the place.

但是实际上就像那些法医调查员,所做的实质说明,其实对套题5也是如此，如果那些JPEG文件有问题，我们将其数据不能连续的,放回原来的地方，那么图像会呈现出波纹形状。

哈佛公开课 - 计算机科学课程节选