Dialogue C
（A：Mary's father B：Jane）
A：Hello．
B：Hi．This is Jane．Is Mary there？
A：I'm sorry．Mary is out right now．She went shopping with her Mom．
B：When will she be back？
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
company n．公司；商号
electronics n．电子学
oversea（s） a．海外的
sale n．出售，出卖
division n．分，分割，分裂
urgent a．紧迫的，催促的
business n．商业；营业；商店
probably ad．很可能；或许，大概
export ／ vt．输出，把……出口
order n．等级，序次，秩序
send vt．送，寄
around prep．在……周围，环绕