1.book预订,往往用于“订座、订票”在电影院、剧院、车站等处订票、座.
I have booked two tickets to New York.
我订了两张去纽约的票.
2.order 指定购,向商店定购肥料,定制衣服、饭店定饭.
order a suit 定制一套衣服
典型例句：
He ordered his staff to order 100 books and put them in order of size.