21.  Another useful way of finding out what is available from publishers is to visit their stands at exhibitions.

22.  At the report stage it may prove difficult to summarize the random sample of histories in a useful way.

23.  A useful way to look at headlines and lead paragraphs is to reverse them.

24.  But he said he would surely find some useful ways to spend his remaining days.

25.  But each gives us hope that we, as imperfect people, can find useful ways to talk about the evil that makes us hate.

26.  But it becomes clear that this familiar map, while not wrong, is today not the most useful way of understanding global economic geography.

27.  But the mandoline is in many ways more useful than a food processor, which is cumbersome and offers little flexibility.

28.  Campaign spokesmen say this can make the technology a useful way to talk to their rank and file as well as to reporters.

29.  Developing new models and increasing its capacity would be one useful way for Volvo to spend its cash pile, analysts said.