Poor housing and unemployment are the main problems.

住房条件差和失业是主要问题。

《牛津词典》

You have to prioritise, so indicate the main problems, and then you analyse each one by connecting it with a theory .

你必须分清轻重缓急，所以要指出主要的问题，然后通过与理论的联系分析每一个问题。

youdao

Alcoholism is one of the main problems.

酗酒是当时的主要问题。

youdao

The conference centered on three main problems to getting and keeping girls in school: violence,poverty and poor quality education.

VOA: special.2010.05.20

Her main goal was to increase public interest in the difficulties of people with physical problems.

VOA: special.2009.11.15

You know, the main problems with shariah compliant finance are lack of disclosure and transparency.

CENTERFORSECURITYPOLICY: Shariah Compliant Finance and Financial Jihad

Later the students discussed in groups the main problems they faced and prioritized the issues.

UNESCO: SMALL ISLANDS VOICE

"On the island one of the main problems that we suffer is high unemployment, " he said.

BBC: Asil Nadir: City conman with 'dangerous charisma'