You can say if this is true, then go and do the following pieces of code or puzzle pieces that are inside this part of the block, else go ahead and do these that are down here.

你可以说如果条件成立，执行下面的代码段,或板块中的拼图，否则跳过去执行这下面的语句。

哈佛公开课 - 计算机科学课程节选

We'll shape like a puzzle piece that will allow me to go to the looks palette at top left and it's pretty self-explanatory.

我们将制作出一个拼图,让我去寻找左上角的调色板,它非常明显。

哈佛公开课 - 计算机科学课程节选

So, there was just obvious a puzzle that I had to go into.

所以这就像个迷题,我必须去破解。

普林斯顿公开课 - 人性课程节选

And if I want to detach it, I just click and drag, and now I can go back and put different puzzle pieces there altogether.

另外，假如我想分离它，我只需要单击并拖动，然后就可以回到过去那个状态,再继续把不同的拼图放到一起。

哈佛公开课 - 计算机科学课程节选