英语翻译it takes 20 minutes to place an order and there are no items below quality.However,goods are delivered within 48 hours and the delivery van canarrive 1 hour earlier or later.The other attributes are set as being realistic(i.e.£5 del

英语翻译it takes 20 minutes to place an order and there are no items below quality.However,goods are delivered within 48 hours and the delivery van canarrive 1 hour earlier or later.The other attributes are set as being realistic(i.e.£5 del
英语翻译
it takes 20 minutes to place an order and there are no items below quality.However,goods are delivered within 48 hours and the delivery van can
arrive 1 hour earlier or later.The other attributes are set as being realistic
(i.e.£5 delivery cost,no discount,a help line number,a special offer section,a
new product section and five items have been substituted).These six factors
will remain constant across the three scenarios to allow the testing of the first
four most important attributes.
it takes 20 minutes to place an order and there are no items below quality.However,goods are delivered within 48 hours and the delivery van can
arrive 1 hour earlier or later.The other attributes are set as being realistic
(i.e.£5 delivery cost,no discount,a help line number,a special offer section,a
new product section and five items have been substituted).These six factors
will remain constant across the three scenarios to allow the testing of the first
four most important attributes.
把上面这段文字从英文翻译成中文,希望人工翻译,不要机器.

英语翻译it takes 20 minutes to place an order and there are no items below quality.However,goods are delivered within 48 hours and the delivery van canarrive 1 hour earlier or later.The other attributes are set as being realistic(i.e.£5 del
预定需要20分钟并且没有任何物品是不合格产品. 而物品会在48小时之内送达,运送车也许会早到或晚到1个小时. 其他的方面都是一般通常的规矩（例如5英镑运送费,没有打折,提供帮助热线,一个特别提供部分,一个新产品部分 和5个被替代的物品） 这6个因素都将在这三个方案中保持不变以使前四个最重要的因素可以被检验.
100%人工翻译

要用20分钟放一份订单,也没有项目低于质量。然而,在48小时内货物运到货车和交货期
或迟或早1小时到达。其他的属性为面对现实
(如下。£5交货成本,没有折扣,帮助,一种特殊的行数;如果执行失败,提供部分,
新产品部门和五项的比赛中被换下)。这六个因素
将在不变的三种情况允许测试第一名吗
四个最重要的属性。
要用20...

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要用20分钟放一份订单,也没有项目低于质量。然而,在48小时内货物运到货车和交货期
或迟或早1小时到达。其他的属性为面对现实
(如下。£5交货成本,没有折扣,帮助,一种特殊的行数;如果执行失败,提供部分,
新产品部门和五项的比赛中被换下)。这六个因素
将在不变的三种情况允许测试第一名吗
四个最重要的属性。
要用20分钟放一份订单,也没有项目低于质量。然而,在48小时内货物运到货车和交货期
或迟或早1小时到达。其他的属性为面对现实
(如下。£5交货成本,没有折扣,帮助,一种特殊的行数;如果执行失败,提供部分,
新产品部门和五项的比赛中被换下)。这六个因素将在不变的三种情况允许测试第一名吗
四个重要特征

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