31.   He finds the same patterns in all of them, and illustrates successfully that this is a useful way to think about innovations.

32.   In time, however, the awe wore off, the moratorium ended and scientists started looking for ways to cut and paste DNA in useful ways.

33.   It cannot be said he spent his retirement in a way terrifically useful to the country.

34.   It is merely a useful way to narrow the field.

35.   It is a useful way for business theorists to make sense of the changing economy.

36.   It is also a useful way to enhance a relationship with someone who can benefit the university.

37.   Leaders with emotional self-control find ways to manage their disturbing emotions and impulses, and even to channel them in useful ways.

38.   Look at it as a useful way of expanding your social circle.

39.   Naturally, the liberated children found many useful ways to occupy themselves.

40.   Ms. Davis said that working with her clients on art projects was a useful way to get an idea of the emotional issues confronting them.