新概念英语第二册Lesson11《One good turn deserves another》原文是什么?因为特殊原因

Lesson 11 One good turn deserves another礼尚往来
I was having dinner at a restaurant when Tony Steele came in.Tony worked in a lawyer's office years age,but he is now working at a bank.He gets a good salary,but he always borrows money from his friends and never pays it back.Tony saw me and came and sat at the same table.He has never borrowed money from me.While he was eating,I asked him to lend me twenty pounds.To my surprise,he gave me the money immediately.'I have never borrowed any money from you,' Tony said,'so now you can pay for my dinner!