GRE写作成为横在中国学生的理想和现实之间的一大障碍，因此，如何攻克写作这道屏障，成为摆在我们面前的首要任务。
Despite the merits of the speaker's claim, I find it problematic in two crucial respects. First,
common sense informs me that it is impossible to theorize in the first place without at least
some data. How can theorizing without data be dangerous, as the speaker con tends, if it is not
even possible? While a theory based purely on fantasy might ultimately be born out by
empirical observation, it is equally possible that it won't. Thus without prior data a theory is not
worth our time or attention. Secondly, the speaker's claim overlooks the inverse problem: the
danger of continuing to acquire data without venturing a theory based on that data. To
postpone theorizing until all the data is in might be to postpone it forever. The danger lies in the
reasons we theorize and test our theories: to solve society's problems and to make the world a
better place to live. Unless we act timely based on our data we render ourselves impotent. For
example, governments tend to respond to urgent social problems by establishing agencies to
collect data and think-tanks to theorize about causes and solutions. These agencies and
think-tanks serve no purpose unless they admit that they will never have all the data and that
no theory is foolproof, and unless timely action is taken based on the best theory currendy
available--before the problem overwhelms us.
To sum up, I agree with the speaker insofar as a theory based on no data is not a theory but
mere whimsy and fancy, and insofar as by theorizing first we tend to distort the extent to which
data collected thereafter supports our own theory. Nevertheless, we put ourselves in equal
peril by mistaking data for knowledge and progress, which require us not only to theorize but
also to act upon our theories with some useful end in mind.
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