VOA常速英语:Doctor 'Brain Drain' Costs Africa $2.2 Billion

短语讲解：

1. There are more than a hundred million health care workers around the world, but in many poor countries, there are only a handful of doctors and nurses to care for tens or, even hundreds of thousands of people.

care for照料, 服侍
例句：The mother cared for the sick child day and night.
母亲日夜照料着生病的孩子。

2. When poor countries do have medical and nursing schools to train new workers, many of those graduates end up leaving home to work in wealthier countries.

end up结束; 最终成为〔变得〕
例句：He ended up as head of the firm.
他最后成了公司的负责人。

3. Part of that document called for countries such as the United States, the UK, Canada and Australia to compensate less affluent nations when their doctors and nurses emigrate to work there.

call for需要; 要求
例句：Your plan will call for a lot of money.
你的计划需要许多钱。

4. But until now, no one had put a dollar sign on the economic value of those medical professionals.

put on增加; 增加(费用)
例句：Why are you trying to put the blame on me?
你为什么总想把责任推到我身上呢?

5. He believes it's important that wealthy countries pay attention to the problem.

pay attention to注意，关心
例句：No attention was paid to his advice.
他的建议没有引起注意。

6. Short of paying African countries for their immigrants, he says, that program is an example of the kinds of things wealthy countries can do to make up for all those doctors and nurses they've lured away from home.

make up弥补, 偿还
例句：Vitamin pills make up what you lack in your diet.
维生素丸可补充你食物中所缺乏的营养。