The graph in Figure 1 also shows that knowledge of the 5,415 most frequently occurring words in the BNC is needed in order to gain 95 percent coverage of the Business Eigo texts investigated — this is the highest level of knowledge required among any of the lists of frequently occurring words appearing on the chart. Furthermore, the vocabulary of Business Eigo seems to be a little different from the normal vocabulary usage represented by the BNC. From observation of Table 4, we see that besides such typical business topics as job interviews, etc., the program contains diverse social and economic ones too, such as digital divide and teen marketing. It also features topics like ‘personal weight control’ and
‘customized travel itineraries’ which, while not typically considered as being business-related activities, have become, in the present era, issues of concern for modern business people. In terms of everyday language usage then, knowledge of a larger amount of words is needed to gain 95 percent coverage of the Business Eigo texts. This is what accounts for the vocabulary level of the Business Eigo being measured so high.
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