Shanghai is a bustling first-tier city.

上海是一个繁华的一线城市。

The cost of living in a first-tier city is very high.

一线城市的生活成本很高。

Many people dream of finding a job in a first-tier city.

很多人梦想在一线城市找到工作。

It is another Chinese first-tier city rolled out house purchase ban after Beijing, Shanghai and Hangzhou.

这是继京沪杭等城市出台住房限购令后，又有一线城市出台限购令。