打电话的人要找的人不在, 问对方是否要留言　　

    Can I talk to Mark? (我可以跟 Mark 讲话吗?) 　

　
    He’s out on his lunch break right now. Would you like to leave a message?

    他出去吃午饭了, 你要留言吗? 　　

    He’s not available right now. Can I take a message?

    他不在, 我可以帮你传话吗?