China’s biggest cities are called first-tier cities.

中国最大的城市被称为一线城市。

The same situation is happening in other first-tier cities.

其他一线城市的情况也差不多。

What forces Chinese white-collars to flee first-tier cities?

中国白领缘何逃离一线城市？

First-tier cities are still the top choices for graduates in 2015.

2015年显示，一线城市依然是毕业生的最佳选择。

Nor is it confined to first-tier cities such as Shanghai and Bangalore.

这也不仅限于如中国上海或印度班加罗尔这样的一线城市。

This is close to the current average house price in some regions of first-tier cities in China.

这个价格接近当今中国一些一级城市的平均房价。