From the module destination's attribute screen, locate the field Maximum failed deliveries, and set it to any integer from 2 to as high as you want.
从模块目的地的属性屏幕中找到字段Maximum failed deliveries，并将其设置为大于2的所需整数。
They can then calculate how big a premium people are willing to pay in one attribute (price) to get what they want in another (a larger screen).
然后研究人员可以一种属性(价格)衡量，计算人们愿意付多大的额外费用得到他们想要的另一种属性(更大的屏幕)。
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