Shoulders stooped, broad back Bent with weighted expectations from Umi,Khaltu,Fatima and Baba Eagerly awaiting your return, the Conquering hero With Big Macs And blue jeans For all They tricked us.

VOA: special.2009.04.17

But it turns out that on Macs and if you have the right software on PCs, you can kind of get a teaser of what this environment tends to look like and be forewarned, what you're about to see is intentionally very underwhelming.

事实上，它是运行在苹果机上的,如果你在电脑上有正确的软件，可以去看看这个环境大致是怎么样的,提前说下，这个程序不会让你印象深刻,我是故意这样做的。

哈佛公开课 - 计算机科学课程节选

It comes with all Macs by default.

默认情况下所有的Mac电脑都装有该程序。

哈佛公开课 - 计算机科学课程节选