set of bracket

例句：

1. 1.The engineer drew a set of diagrams to illustrate the problem.
   工程师画了一系列图表来说明问题。
2. 2. The teacher gave us a set of rules to follow during the test.
   老师给了我们一套规则，让我们在考试时遵守。
3. 3. The carpenter assembled a set of shelves for the living room.
   木匠组装了一套书架，放在客厅里。