Well in C and many similar languages, you have to implement that same bracing structure with your keyboard using an open curly brace and a closed curly brace, so a tiny little detail.

在C语言和一些类似的编程语言中,你也必须搭建同样的架构,同样也得注意前大括号啊,后大括号啊等等这些细节问题。

哈佛公开课 - 计算机科学课程节选

So the translation here is that whereas last week and in Scratch, the looping structures are yellow and have kind of this brace structure to them.

同理，大家回想一下上个星期,在Scratch软件中，循环结构都用黄色标记出来了,与此类似。

哈佛公开课 - 计算机科学课程节选