日期:2011-01-19 10:14
A：I\'m not sure．Why don\'t you call back later this afternoon？
B：Will it be too late if I call around 10∶00 this evening？
A：That\'s all right．We don\'t go to bed early．
B：Thank you．Bye！
A：Good-bye．
Words and Expressions
trade vi．做生意；交易
c