VOA慢速英语:What to Do About 'Reverse Brain Drain' in US?

短语讲解：

1. Congress is studying how to change immigration policies in an effort to get more foreign students to stay and work in the United States.

in an effort to为了
例句：They hushed up the scandal in an effort to save face
他们掩盖了丑闻以图保全面子

2. He would like to work for Google, Yahoo or Microsoft.

would like to愿意,意欲
例句：I would like to renew this book.
我想续借这本书。
work for受雇于
例句：How long have you been working for this firm?
你为这家公司效力多久了?

3. Obviously, we prefer to stay here for several years, but if we cannot get any valid visa we have to leave

prefer to较喜欢; 宁愿
例句：He preferred to die instead of stealing.
他宁愿死也不愿意偷窃。

4. While we once asked the brightest minds in the world to come and make their homes here, we now turn them away.

turn away拒绝(某人)进入
例句：Because the hall was full, many people were turned away.
由于大厅已满, 许多人被拒于门外。

5. High-tech companies look for workers at the nation's top universities.

look for寻找，寻求
例句：He began to look for a new job immediately after he was fired.
他被解雇后立即开始寻找一份新工作。

6. It hurts our company and our industry and it places burdens and stresses on our employees.

place on把…放在…上; 把…强加于…
例句：He placed the blame on his wife.
他归咎于他的妻子。

7. Students from countries with large populations generally have to wait the longest for a "green card," or proof of permanent residency.

wait for等待, 等候
例句：He is waiting for something good to turn up.
他正期待着情况好转。