Take your time. So, let's actually now take a 2-minute break, we're gonna change tapes and we'll come back and we'll actually write programs with a real computer and some real animated characters.

不急，现在休息2分钟，我们要换个录像带，一会再上课,等会开始写程序,构建一些动画人物。

哈佛公开课 - 计算机科学课程节选

Someone-- or someone had to implement, had to write a tool called printf that itself takes input between quotes and produces as output some characters on the screen.

需要有人去实现，这个printf函数,以双引号间的信息为输入,输出相应字母到屏幕上。

哈佛公开课 - 计算机科学课程节选