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在美国,影响商品和服务的价格因素多如牛毛,除了具有普遍意义的旺季和淡季因素之外,还有许多在其他国家视其为有用的因素。美国各行业的商家在绞尽脑汁利用这些因素吸引消费者。比如,同一距离的经济舱机票,售价可以相差5倍以上。以洛杉矶至纽约为例,最便宜的经济舱来回票仅250美元左右,最贵的来回票要1500美元以上。那么,为何有如此天壤之别呢?首先是买票或订票的时间因素。旺
In the United States, the price of goods and services affected by many factors, in addition to the prevailing peak season and off-season factors, there are many in other countries as a useful factor. Businesses across the United States are racked their brains to use these factors to attract consumers. For example, the same price of economy class ticket, the price difference can be more than 5 times. In Los Angeles to New York, for example, the cheapest economy class round-trip ticket is only about 250 US dollars, the most expensive round-trip ticket to 1,500 US dollars or more. So why is there such a big difference? The first is the time factor of buying tickets or booking tickets. Wang