A：Do you know Mark?
你认识马克吗?
B：Yeah! He is a nice guy. He is very helpful and always bends over backward to help those who are in need of help.
认识，他是好样的。他总是乐于助人，帮助那些需要帮助的人。
A：Can you introduce him to me?
你能介绍他给我认识吗?
B：Sure.
当然。