31.  The new model outclasses all past models.

32.  The salesman oversold the features on the new model.

33.  Production problems delayed the introduction of the new model by several months.

34.  The new model has a smaller footprint than the older model.

35.  Through random mutations, nature constantly tests new genetic models of organisms.

36.  If the environment changes, however, new models that possess appropriate genes for survival will replace the standard models.

37.  The APT is a relatively new model and is still subject to considerable investigation which will undoubtedly yield greater insights into the pricing of investment assets in the future.

38.  But as development times lengthen to six or seven years, so too do the chances that a new model will be obsolete before it leaves the drawing board.

39.  There is a new animal model that seems promisingly similar to chronic duodenal ulcer in man.

40.  First, a new model of management had been introduced for managers to emulate, based on private sector practices and precepts.