If you give me a number and a string, I'm going to concatenate them together, it's really different operations, but nonetheless, it's what it's going to do.

如果给的输入是一个数字和一个字符串，我将会把它们连接在一起，这实在是不正确的操作，但是无论如何，它就是会去这么做。

麻省理工公开课 - 计算机科学及编程导论课程节选

On the inside are the rungs or the struts that hold the ladder together.

梯子内侧是梯阶,也可以说是梯阶把梯子连接在一起

耶鲁公开课 - 生物医学工程探索课程节选