A Good morning, Neil.
早上好，尼尔。
B Good morning, Wei.
早上好，薇。
A It's a nice day today.
今天天气真好。
B Yes, it is.
是的。
A Let's take a taxi.
我们坐出租车去吧。
B OK. We can get one here.
好的。在这里可以打到车。
1 People often comment on the weather when they meet, especially if it is fine, e.g. It's a nice day today.
人们见面时常常谈论天气，尤其当天气好的时候，如：It's a nice day today.（今天天气真好。）
2 You can agree with someone's comment about the weather with a simple response: Yes, it is.
你可以简单地回答Yes, it is.（是的。）表示赞同某人对天气的评论。
3 If you want to suggest something, you can use Let's..., e.g. Let's take a taxi.
如果你要提出建议，你可以用Let's...（让我们⋯⋯），如：Let's take a taxi.（我们坐出租车去吧。）
4 To agree with a suggestion, you can say OK.
要表示同意某项建议，你可以说OK（好的）。