他们在城市的不发达地区工作。

They are working in ___underdeveloped parts of the city.

在欠发达国家的政策中转变焦点对于克服无家可归问题至关重要。

A shift of focus in ___underdeveloped states' policies is vital to overcoming homelessness.

政府正在投资于不发达地区的基础设施。

The government is investing in infrastructure in ___underdeveloped areas.