51.   In the past few years, companies have raced to move production to nations where labor is cheaper.

52.   Other companies are racing to do the same.

53.   The company has raced from crisis to crisis this fall, seeking to solve acute cash flow problems and stay out of bankruptcy court.

54.   With the booming popularity of worldwide open networks such as the Internet, companies are racing to promote their use for electronic commerce.

55.   The big problem is that because there is no guarantee a vaccine can be found, drug companies are not racing to develop one.