这个国家经济发达。

Zhège guójiā jīngjì fādá.

This country has a developed economy.

这个地区的教育资源非常发达。

Zhège dìqū de jiàoyù zīyuán fēicháng fādá.

The educational resources in this region are very developed.

这个行业在这个国家非常发达。

Zhège hángyè zài zhège guójiā fēicháng fādá.

This industry is highly developed in this country.