That is, there would be a printed form on paper with spaces to fill in the numbers or other things.
也就是说,开始在纸上打印表格,上面留有空格需要填写数字或是其他信息。
I was thinking of getting a T-shirt printed with, you know, "British Museum, this way!"
我都在考虑穿一件T恤,上面印着“大英博物馆,这边请!”
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。
If I go back to that code from a moment ago, and I just rerun math3, notice how many places printed after the decimal point -- two?
如果刚才我回到那段代码中去,我们回到math3,请注意在小数点后面,会打印几位数呢--两位?
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。
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