Argument初作求拍求打击！求互改~~

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The following appeared in a letter from ahomeowner to a friend.

"Of the two leading real estate firmsin our town—Adams Realty and Fitch Realty—Adams Realty is clearly superior.Adams has 40 real estate agents; in contrast, Fitch has 25, many of whom workonly part-time. Moreover, Adams' revenue last year was twice as high as that ofFitch and included home sales that averaged $168,000, compared to Fitch's$144,000. Homes listed with Adams sell faster as well: ten years ago I listedmy home with Fitch, and it took more than four months to sell; last year, whenI sold another home, I listed it with Adams, and it took only one month. Thus,if you want to sell your home quickly and at a good price, you should use AdamsRealty."

Write a response in which you examinethe stated and/or unstated assumptions of the argument. Be sure to explain howthe argument depends on these assumptions and what the implications are for theargument if the assumptions prove unwarranted.

In this letter, the author advises his/herfriend to choose Adams Realty over Fitch Realty, because he/she thinks thatAdams is “clearly superior”. Though this may be the case, there are manyquestionable assumptions that may undermine the author’s argument if they areproved unwarranted.

By comparing the number of workers of bothreal estate firms, the author thinks that Adams is better because it has moreagents and most of them work full-time. However, the number of employees alonecannot justify that Adams is superior to Fitch. It is very likely that theagents of Fitch work much more efficiently, so they do not need as many workersas Adams do. Also, more workers does not necessarily mean Adams have morebusinesses than Fitch. Maybe many of those workers have nothing to do and justkill their time in offices. In this sense, the author cannot prove that Adamsis better simply by citing the number of agents of the firms.

Even if more agents do mean betteroperation, the author makes another problematic assumption when he/she saysthat Adams is better because it has higher revenues and average home salesprice than Fitch does. It is very possible that Adams and Fitch sell differenttypes of houses, which can lead to the gap between the figures. For example,maybe Adams usually sell two-floor big houses while Fitch sell a lot of smallapartments. Obviously, larger houses usually mean higher prices, but it cannotjustify that Fitch is inferior merely because it is expert at selling smallhouses. Therefore, unless the author has evidence that there is a difference ofprice on the same type of houses, he/she cannot conclude that Adams is better.

Additionally, the author assumes that Adamssells homes faster than Fitch by only using his/her own experience based on anassumption that the market did not see any change in the past decade. Thingscan change a lot in ten years, however, especially in the changeable realestate market. When the author sold his/her home through Fitch ten years ago,maybe there was a very severe financial crisis, and that is why his/her homewas listed for more than four months. In contrast, there may have been a boostin economy when he/she came to Adams last year, so the home sold quickly. Therefore,it is unreasonable for the author to draw the conclusion that Adams sells homesfaster than Fitch does and that his/her friend should go to Adams.

Though it may be true that Adams indeedsells homes more quickly and at a better price, the author does not provideenough concrete evidences to substantiate his/her argument. Because of areasoning process based on several questionable assumptions, the author failsto make an overall convincing argument to persuade his/her friend to use AdamsReality.

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不是很明白意思，例如下面这句，没有指出assumption吗？那要怎么说才对。。
By comparing the number of workers of bothreal estate firms, the author thinks that Adams is better because it has moreagents and most of them work full-time.

竹林中人

中间几段的内容，在你指出其他的可能性之前，缺少了推理分析的部分，比如这篇，需要你分析出题目存在的没有说出来的assumption，然后才说没有这样的assumption，会怎么样等等。