You notice what it did, it printed out that little, right up here I'd said enter a number and that's what it's printed out, so I can enter a number and it prints it out.

注意这个程序做了些什么，显示出了指定值，然后显示需要输入个数字,然后程序会显示这个数字，我输入一个数字然后程序显示了它。

麻省理工公开课 - 计算机科学及编程导论课程节选

I don't have to go read what it printed out in the screen. This has returned a value that I can use. Because I could do a test to say, is this a return value? If it's not, I'll do something else with it. So the binding is still there, it simply doesn't print it out.

我不想读到屏幕中打印出来的这行字,程序返回过一个我能够使用的值,因为我可以做个小测试，来说明这是否是返回的值，如果不是，我可以做一些其它的事,而这个绑定依然在这儿，没有打印任何东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

I will be also making them available at Allegra for people who would like to just purchase them already printed out so you don't do it yourself, but I know some people really prefer to work online--and certainly for the first week of reading, you can get started because it is online.I don't think things will be available at Allegra's until probably tomorrow afternoon.

我也同样会让这些书的纸质版,能够出现在学校书店这样喜欢读纸质版的同学,就不用到处去买了，但我知道有一些学生更喜欢,在网上阅读，当然第一周的阅读材料都已经放在，放在网上了你们可以开始阅读，所有的阅读材料,在明天下午后都能在学校书店里买到。

耶鲁公开课 - 旧约导论课程节选

So str is basically telling us how we want to have it printed out.

因此str基本上也就告诉我们,怎么来显示对象了。

麻省理工公开课 - 计算机科学及编程导论课程节选

It ran through that sequence of instructions, in particular it bound x to the value three, x and then it took x times x, got the value of x multipied by x, which of course is nine, bound that to the value of x, and then it printed out the value, and now it's sitting here waiting for an input.

程序按照指令的顺序去执行的，首先是把x和3这个值进行了绑定，然后把x乘以，得到了x乘以x的值，当然也就是9了，然后把x和这个值进行了绑定，然后显示出这个值，然后就等待输入。

麻省理工公开课 - 计算机科学及编程导论课程节选