如您所见，清单4比起清单3样本代码明显减少。

As you can see, Listing 4 has much less boilerplate code than Listing 3.

youdao

该许可证甚至允许您在本代码的基础上建造商业性可用的新产品。

The license even lets you build commercially exploitable new products based on the code.

youdao

注意：本代码有一个缺陷，就是每次收代码只能够收前16个，其余的会收不到。

Note: This code is a deficiency is that each code can only be received before 16 admission, the rest will be unable to collect any.

youdao

Because what you don't see in this file is any code a that actually says put a letter of the alphabet at the top left hand corner of the screen and then put the next character to the right in other words, I'm taking for granted at this moment in time that my computer knows how to print something to the screen.

就是这些你在本文件中看不到的一些代码,实现了将首字母,放在屏幕的左上角,然后把其他字母加在其右边，我想当然地认为,我的电脑知道如何打印相应信息到屏幕上。

哈佛公开课 - 计算机科学课程节选