Stevenson and Wolfers provide a number of possible reasons why this occurred, including non-comparable data over time, and increasing income inequality in the US during this period.

史蒂文森和沃尔弗斯给出了很多可能因素，解释造成此现象发生的原因，其中包括随着时间的消逝数据的不具可比性和这段时期内美国收入增加的日渐不平等。

youdao

In addition, including gender inequality, social and cultural practices are still fuelling the spread of AIDS, the efforts to control AIDS has brought obstacles.

此外，包括性别不平等在内的一些社会文化习俗仍在助长艾滋病的传播，同时给控制艾滋病的努力带来了障碍。

youdao

That said, I am more optimistic than I have ever been about the potential for business to address the world's most pressing social issues – including poverty and inequality.

不过，对于商业活动是否有潜力解决贫穷和贫富不均等最紧迫的社会问题，我比以前任何时候都要乐观。

youdao

This has its own host of problems, including increased inequality.

FORBES: Teachers and Incentives

When looking at how all of us can maintain and strengthen our engagement in the AIDS response, I am fully committed that UNESCO will continue to address the social and structural factors that fuel the epidemic, including gender inequality and stigma and discrimination, and to empower young people to make healthy, informed decisions.

UNESCO: World Water Assessment Programme (WWAP)

Growing up in South Africa during the time of apartheid, we had direct experience of inequality, including great disparities in health and access to good care.

FORBES: Billionaires And Charity: Give It Away Now