M: Do we have to get the opera tickets in advance?
W: Certainly.Tickets at the door are usually sold at a higher price.
Q: What does the woman imply?

最好就是讲一下这个对话是什么意思.

答案It's better to buy the tickets before hand.

Do we have to get the opera tickets in advance?
W: Certainly.Tickets at the door are usually sold at a higher price.
Q: What does the woman imply?

我们一定要提前预订这个歌剧票么？

当然，现场买票更贵。

应该是，票价分2种，提前预订有优惠，现场门口买票就是更贵一点。

答案：It's better to buy the tickets before hand. --预先订票更好。