We're kind of restricting ourselves to only certain chunks of memory, at least for now, but it certainly creating problems.

我们现在我们自己只能在某一块内存中,至少是现在，当然这样也会产生问题。

哈佛公开课 - 计算机科学课程节选

And it was fun for us but thankfully, we didn't have to implement all this stuff ourselves.

这对我们也许是有趣的，但幸运的是,我们不需要自己实现所有的功能。

哈佛公开课 - 计算机科学课程节选