41.   By its very nature it is impossible to quantify exactly the extent of the black economy.

42.   Although by its very nature the winning streaks have created pressure, Baron said he would not be devastated if Kenyon did not win the championship.

43.   An army should be as moral as practical, but to me, war is by its very nature a fundamentally immoral act.

44.   And as biology increasingly becomes an information science, biotechnology and pharmaceutical companies are betting on bioinformatics to transform the very nature of drug discovery and health care.

45.   And by their very nature, he added, children bounce the question back to their elders.

46.   And experts say that is the very nature of terrorism.

47.   And for someone like Richardson, whose very nature is to be combative, the demands were a personal affront that could not be passed over as mindless chatter.

48.   And by its very nature, our present political status is a transitory one.

49.   And now they are starting to change the very nature of the parks.

50.   And though still in its infancy, everyone is betting on it to transform drug discovery and the very nature of health care.