31.  But despite their widespread popularity, and the considerable efforts some states have undertaken to promote them, there is little evidence that they are having the desired effect.

32.  Coke has been putting considerable effort into Minute Maid of late.

33.  Considerable effort has also gone into tracking aircraft using the infrared heat trails left behind by jet engines.

34.  Despite the considerable efforts of Michael Johnson, the record still stands.

35.  Foie gras may cost a lot, but considerable effort goes into bringing it to the table.

36.  He devoted considerable effort, in fact, to helping Israel develop a cultural life.

37.  Just getting the Palestinians to the table took a considerable effort by Clinton.

38.  Many applicants found no work after a year, despite considerable effort.

39.  One McKinney admirer, Sherry Frank, said the congresswoman has made considerable effort to improve her relations with Jews since the end of the campaign.

40.  Others have devoted considerable effort to researching the possibilities of muscle-maintenance treatments, only to strike out in the labs.