51.   While this model of communication is abstract, you can probably understand it at the personal level.

52.   This particular model is available in brown, white, or grey.

53.   We had to tip up the bed and the model was in grave danger of falling off it!

54.   No model can ever be a perfect analogue of nature itself.

55.   Male models are not always so vacuous as they are made out to be.

56.   That car manufacturer is claiming that their new models are the last word in designer technology.

57.   The model is accurate down to the tiniest details.

58.   The model is Karl Friedrich Gauss, supposedly born into a family of manual workers, who grew up to become the father of modern mathematics.

59.   This model is the one that is most readily comparable with the model of bond evaluation developed in the last chapter.

60.   The dividend discount model in this case is.