Progress will not be measured by global averages. It will be measured by how well we improve the health of the African people.

进步不能用全球平均水平来衡量。它将由我们在改善非洲人民的卫生状况方面做得如何来衡量。

youdao

In American society, however, the class structure was less rigid; some people changed occupations easily and believed it was their duty to improve their social and economic position.

然而，在美国社会，阶级结构没有那么严格；有些人很轻易地就改变了职业，并认为提高他们的社会和经济地位是他们自己的责任。

youdao

So eventually, people tried to improve on Les Paul's model, well, to modify it I should say.

最终，人们试图改进莱斯·保罗的模型，应该说，是对其进行改良。

youdao

It holds promise to greatly improve the abilities of people who have lost both arms.

VOA: special.2009.03.10

It also sought to improve the way society treats people with such disabilities.

VOA: special.2009.08.23

"People can do things in their own lives, with their children, they can do work in their communities to improve it and once you take those steps, the next logical step is to make sure that your government officials are doing the right thing."

VOA: standard.2010.04.25

The US-based Omidyar Network, the brainchild of eBay founder Pierre Omidyar and wife Pam, is a philanthropic investment firm dedicated to harnessing the power of markets to create opportunities for people to improve their lives and it has gone into partnership with BRAC in Sierra Leone and Liberia.

BBC: Motives for investing: Profit or altruism?

But for it to be more effective, Facebook would have to greatly improve how it collects information from people going forward, or expand its search powers to comb through status updates and comments.

CNN: Heather Kelly,

But allowing gorillas and chimpanzees to die, or killing them off, won't improve people's lives: it will impoverish them.

BBC: NEWS | Science/Nature | Fences 'can help apes' survival'