21.   But the enthusiasm masks the serious difficulties in its path.

22.   He came into office charged not only with trying to advance the peace effort, but also with dealing with serious difficulties in the economy.

23.   He also had gone through serious domestic difficulties.

24.   He said that the challenge was to distinguish the normal experimentation and idiosyncrasy of adolescence from the signs of more serious emotional difficulty.

25.   If your child has repeated difficulty paying attention over a period of six months or so, it may signal a more serious learning difficulty.

26.   In a statement, the corporation said Safeway would have serious difficulty determining what constitutes an altered product, and labeling would place the products at a competitive disadvantage.

27.   In particular this budget finds the Army, which had serious difficulties deploying its Apache helicopters to Albania, unveiling important changes for the sake of modernization.

28.   Indeed, Jordan suffered serious economic difficulties as a result of the war, because much of its trade was affected by United Nations sanctions against Iraq.

29.   North Korea has admitted that it is facing serious economic difficulties, but there have been sharply diverging assessments of how serious these are.

30.   Now, the Suharto family faces serious difficulties.