When we started with the entire class, I showed the children how to bind the book by hand.

这门课最开始的时候，我向孩子们展示了如何把书用绳子缝起来。

麻省理工公开课 - 媒体、教育、市场课程节选

which I just did there, -mystring in fact, let me type it in-- mystring, with an equal sign, which is saying, assign or bind to that name the value of the following expression.

也就是这里我做的，实际上，让我输入，然后是个蹬好，意思就是说，把这个名字绑定到,后面表达式的值上去。

麻省理工公开课 - 计算机科学及编程导论课程节选