When you think about an int or a float or a dictionary or a list, you knew that there were functions that operated on them.

当你想到整型，浮点型，或者链表时,你知道可以用函数去处理他们,但是当你传递一个参数，例如链表。

麻省理工公开课 - 计算机科学及编程导论课程节选

But you'd like to write your program not in terms of floats and ints and lists, but in terms of mortgages, and CDOs, and all of the objects that you read about in the paper, the types you read about.

但是你可以不基于,浮点型，整型还有链表来进行编程，而是基于一些房贷类，债务抵押债券类来编程,甚至那些你在报纸上看到的类。

麻省理工公开课 - 计算机科学及编程导论课程节选

They also have binding sites for antigen, but they are sort of two IgG type molecules bound together by another peptide chain.

同样IgA抗体表面也有与抗原结合位点,但它们就像两个IgG型分子,通过肽链相互连接

耶鲁公开课 - 生物医学工程探索课程节选