Edward Lawler at the University of Southern California says these companies may now have difficulty getting and keeping high-quality employees.

VOA: special.2009.10.30

And that's probably the simplest of all of them." The students first listed the problems in order of difficulty.

VOA: special.2010.03.11

She says people might have difficulty completing an activity if they cannot expect some kind of reward in return.

VOA: special.2009.09.29

These include trouble walking, weakness especially on one side of the body, difficulty seeing and difficulty speaking.

VOA: special.2009.08.12

Extended periods of stress have been linked to headaches, difficulty sleeping, stomach problems and skin disorders.

VOA: special.2009.03.24

He returned to Oxford, walking with difficulty because of what he said was a "war wound."

VOA: special.2010.01.03

That means their households, at some time during the year, had difficulty providing enough food for all members because of a lack of resources.

VOA: special.2009.11.23

Also,victims of the disease have increasing difficulty learning and storing new information.

VOA: special.2009.09.15

Another sign of the disease is difficulty solving simple problems.

VOA: special.2009.09.15

The different paths have different levels of difficulty.

VOA: special.2009.12.09

She says they will have great difficulty coping with the increased burden of disease and other health problems.

VOA: standard.2010.01.02

"Not one of them ever showed me that it would be easy and free of difficulty or problems.

VOA: standard.2009.10.08

Many braved the cold to witness history, some seeking reassurance in a time of great difficulty.

VOA: standard.2010.01.15

Another difficulty for democratic South Korea's global image is that it is often overshadowed by North Korea, one of the most repressive governments in the world.

VOA: standard.2009.11.05

But he may have difficulty building on the 29 percent of the vote he won last month because his presidency is best remembered for financial mismanagement and the arrest of political opponents.

VOA: standard.2009.07.26