A:讲求实惠,根据自己的需要进行的消费
B:夸耀性、盲目性的消费
C:随大流,受多数人的影响,不由自主的消费
D:展示个性,标新立异,追求时尚的消费
— When did you arrive at school this morning?
—At 7:30 o' clock.