I. Words and Expressions
1. sign n. 标志 v. 签名
Where can we see this sign? 我们可以在哪里看到这个标志?
Sign here, please. 请在这里签字。
2. discuss v. 讨论 discussion n. 讨论
Think about the questions on the blackboard and discuss/ have a discussion with your class mates. 考虑一下黑板上的问题,与你的同学讨论一下。