上海是一个繁华的都市。

Shanghai is a bustling metropolis.

打开窗户，看着这个繁华的都市。

Open the windows, watching the bustling city.

我现在才知道，繁华的都市里居然还有这种地方。

Only now do I understand that in a prosperous metropolis that such place existed.

他和她是大学同学，他来自偏远的农村，她来自繁华的都市。

They are university mates, he comes from the countryside, she comes from metropolis.

历史上的西安曾经是世界上最繁华的都市。

Xi'an was once the most prosperous city in the world.