讲解文本：
rain check 雨票，延期，改约下一次 I really want to play football with you but I have to finish my work today. Can I take a rain check? 我很想和你去踢球，但我今天必须把工作做完。咱们能改天吗？ -How about a cup of coffee? 去喝杯咖啡怎么样？ -Rain check. 改天吧。
疯狂练习吧！
