When I was a little girl,I always wanted to go to collegeNow I am a freshman of a key universityI have askedwhy I come

顾名思义：预约、预约：就是提前预定，然后购买：两者的区别在于：预约购机；是提前预约，店家通知货到了就去购买。而排队购买：理解字面意思就行，需要某一机型的时候不通过任何手段去了解情况，直接去直营店购买。例子：比如某一机型属于热销，购机的人比较