This is Mary. Who's that?这是玛丽。那是谁？This is Jack. Are you free this Saturday evening?这是杰克。这个星期六晚上你有空吗？Yes. What's the matter?有空。怎么了？I have two tickets to Jay Chou's concert.我有两张周杰伦演唱会的票。Would you like to go with me?你愿意和我一起去吗？Certainly. I'd love to.当然，我愿意。He's my favorite singer.他是我最喜欢的歌手。Thanks for your invitation.谢谢你的邀请。When and where shall we meet?我们何时何地见面？Let's meet at the gate of the park at seven o'clock.七点我们在公园门口见面吧。Could you please get there earlier?你能早点到那儿吗？What about six o'clock ?六点怎么样？OK. See you then. — See you.好，到时候见。 ——再见。