Two return tickets to London,please.这里的数字为什么放在前面.

Two return tickets to London,please.这里的数字为什么放在前面. Two return tickets to London和Two tickets for London Two tickets for London i have booked two weekly return tickets to berlin.4043 He bought two return tickets的同义句 two tickets to/for the match为什么? could i have those two tickets please为什么用could, Two tickets for Hawaii.Two tickets to Hawaii.用for还是用to 为什么 The tickets were to Sunday evening这里为什么用to He will return to london. They'll return to London from pans.(为什么加to,不是只有两个动词时才加to的吗?） To help others makes me happy为什么to放在前面