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Near Chicago a newly built hydroponic spinach “factory,” a completely controlled environment for growing spinach, produces on 1 acre of floor space what it takes 100 acres of fields to produce. Expenses, especially for electricity, are high ,however, and the spinach produced costs about four times as much as washed California field spinach, the spinach commonly sold throughout the United States.
Which of the following, if true, best supports a projection that the spinach-growing facility near Chicago will be profitable?
(A) Once the operators of the facility are experienced, they will be able to cut operating expenses by about 25 percent.
(B) There is virtually no scope for any further reduction in the cost per pound for California field spinach.
(C) Unlike washed field spinach, the hydroponically grown spinach is untainted by any pesticides or herbicides and thus will sell at exceptionally herbicides an thus will sell at exceptionally high prices to such customers as health food restaurants.
(D) Since spinach is a crop that ships relatively well, the market for the hydroponically grown spinach is no more limited to the Chicago area than the market for California field spinach is to California.
(E) A second hydroponics facility is being built in Canada, taking advantage of inexpensive electricity and high vegetable prices.
首先，题干中说Expenses, especially for electricity, are high ,however, and the spinach produced costs about four times as much as washed California field spinach。这里来个转折是什么意思？
其次，我觉得A也是对的啊。操作熟练以后使用成本下降至25%，价格也随之下降，然后就有利润了。OG解释说Choice A and B present the likelihood of changes in the cost of the two kinds of spinach, but neither choice suggests that the current large price differential can be overcome是否指A里的operating expenses不包含在题干的cost里？
该句之前说的是现在种同样数量的S只要原来的1/100亩就可以了，就新的方法的优势。
这里的however，按中国人的思维习惯，是放在Expenses前面的，对整个这句话起转折作用。即：但是，这种新方法的费用，特别是电费特别高。
注意这里的推导是：利润=收入-成本，单讲成本无法得知有没有利润，因为这里并没有说：（新S）成本下降，价格也一定下降；或者（老S）成本不降，价格也一定降不下来，即是neither choice suggests that the current large price differential can be overcome的意思。换句话说：即使新方法成本下降，但如果卖价高出老S一大截，可能还是没有需求，而没有需求就没有收入，没有收入就没有利润。
而答案C说的就是新S不光质量更好，有人需要，而且还可以卖个好价钱，因此就有利润了--紧扣题目要求：profitable。
不知道我这样的理解对不对
根据 利润=收入-成本 a中成本降低了，不能说明利润增加了，因为没有说价格怎么变动
如果价格不变那么利润增加，如果价格也随着降低，那么利润可能并没有增加
但是我不和明白og中neither choice suggests that the current large price differential can be overcome的意思，
关于large price differential 指的是什么，文中好像没有提price，只是说新S的成本是老S的四倍
是从这里推出的large price differential 吗
首先这个however不是转折的意思，是强调的意思。“列举最后一项的转折词不表示转折而表示强调”，也可以用在这里吧。
其次这个price区别，我觉得指得是，既然成本比老的菠菜高，那么价格必然也会比老的菠菜高。其他选项没有说明这种高价格是如何产生利润的（价格一高，很有可能就没有人买了），只有C选项说明了这种差价是如何被overcome的（有一群人必然会购买，无论价格高不高）。
我的问题是：C只说了卖价高，但是万一卖价过高没有需求了怎么办？哪还来的利润呢
首先这个however不是转折的意思，是强调的意思。“列举最后一项的转折词不表示转折而表示强调”，也可以用在这里吧。
其次这个price区别，我觉得指得是，既然成本比老的菠菜高，那么价格必然也会比老的菠菜高。其他选项没有说明这种高价格是如何产生利润的（价格一高，很有可能就没有人买了），只有C选项说明了这种差价是如何被overcome的（有一群人必然会购买，无论价格高不高）。
强!
expense高，存在large price difference, 造成竞争劣势
（C）特别注意“will”，个人觉得这个代表确定的未来状态；从而保证消灭高价的竞争劣势地位
（D）no more than: 两个品种都有运输便利性，不存在差异，无从支持新品种的profitability
最后罗嗦，profit = revenue(price * quantity) - cost
（A）虽然指出运营成本未来会降低；根据罗嗦公式，C项更支持结论（best support），并没有要拍死其他所有选项的意思
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