That's the trick and the magic of this movie that Jim and WETA Digital had to push themselves to get to the point where we forget we are watching big,blue people and we start just rooting for the person inside them."

VOA: standard.2009.12.19

And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.

顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。

哈佛公开课 - 计算机科学课程节选