But experts say the recession has not cut enrollment in four-year programs, even with their higher sometimes much higher -- costs.

VOA: special.2009.11.19

But it looks like you guys are all experts here on doing these electron configurations.

所以但是看起来你们在,做电子构型方面都是专家了。

麻省理工公开课 - 化学原理课程节选

But experts generally advise against using the drug if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.09.22

But experts say this should not stop gardeners from growing food if they take safety measures.

VOA: special.2009.06.09

But experts believe the electrical current might help activate nerve cells that are not working correctly.

VOA: special.2009.02.03

But experts say it will be years until such technology is ready for the general market.

VOA: special.2010.01.26

But experts say the medicine could still do some good even if there is a delay.

VOA: special.2009.08.18

But experts say taking even small amounts over the recommended dose can cause liver damage.

VOA: special.2009.07.08

But experts say it is still too high and Pittsburgh has more work to do.

VOA: special.2009.07.13

But experts have now identified them as another species that might be more easily contained.

VOA: special.2009.02.10

But experts now say tourniquets are dangerous because they can crush blood passages and nerves.

VOA: special.2010.08.17

But experts say taking even small amounts over the suggested dose can cause liver damage.

VOA: special.2009.07.21

But experts say this condition has not gotten as much attention as it should.

VOA: special.2009.04.06

But experts say productivity suffers in workplaces where employers tolerate or accept bullying.

VOA: special.2011.03.25

But experts say it has become the leading influenza virus in all countries.

VOA: special.2009.11.11

But experts say it has become the leading flu virus in all countries.

VOA: special.2009.11.24

But experts say antivenom technologies and their use need to be improved.

VOA: special.2010.01.25

But experts say they are most commonly seen in the United States.

VOA: special.2010.05.11

But experts do agree that the word is purely American.

VOA: special.2010.02.28

But experts say plastic alone does not help much.

VOA: special.2010.01.12

But experts predict that the shortage will grow again.

VOA: special.2009.08.13

But experts say the behaviors often last into adulthood.

VOA: special.2009.09.29

But experts say his burial place needs scientific attention.

VOA: special.2009.12.15

The spill may be occurring along the Gulf coast of the United States, but experts say it is an international problem.

VOA: standard.2010.06.08

But experts say no-one knows how large the world stockpile of nuclear material is because not every country reports what it's producing.

VOA: standard.2010.04.06

But experts say the plan will temporarily increase the amount of oil flowing into the Gulf.

VOA: standard.2010.05.31

By 2013,Lithuania wants to have a new natural-gas power plant, but experts caution that this will not be enough to meet the country's energy needs.

VOA: standard.2010.01.01

But experts on Chinese affairs see his words in a somewhat different light.

VOA: standard.2010.03.23

For weeks, South Korean officials delayed expected announcements it would join, but experts say they had no other choice after Monday's underground nuclear weapons test by the North.

VOA: standard.2009.05.26

But experts like Jean-Luc Sauron say the French-German relationship still matters.

VOA: standard.2009.11.11