I have received an apology for the absence of the financial manager.
我收到了财务经理对不能参加这次会议的致歉。
I have received an apology for the absence of Jane, the marketing manager.
我收到了营销经理简对不能参加这次会议的致歉。
We have received apologies for the absence of two managers, Mr. Jones and Ms. Smith.
我收到了琼斯先生和史密斯女士这两位经理对不能参加这次会议的致歉。

Why don't you introduce yourself?
你自我介绍一下好吗？
Why don't we introduce ourselves to each other?
我们互相做个自我介绍吧。
Why don't I introduce Mr. Kim to you?
我向你们介绍一下金先生吧。