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第五只作文，在网上看到个完整的
The following appeared as part of an article in a weekly newsmagazine:
“The country of Sacchar can best solve its current trade deficit problem by lowering the price of sugar, its primary export. Such an action would make Sacchar better able to compete for markets with other sugar-exporting countries. The sale of Sacchar’s sugar abroad would increase, and this increase would substantially reduce Sacchar’s trade deficit.”
Discuss how well reasoned . . . etc.
1) 充分必要条件
价格是否是销量的唯一因素
2) 无关假设
糖降价是否一定能解决trade deficit，还有其他的办法， 减少进口啊，发展国内生产啊。。
3) 时地全等
A trade-deficit occurs when a country spends more on imports than it earns from exports. The argument above depends on a unconvincing assumption that the spend on imports will remain same in future. If a increased in spend on imports, therefore, decrease the price of sugar will not be a efficient solution.
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发表于 2014-4-26 16:55:23
