在此之前的因特网，当买主尝试进行最佳的购买时遇到了相当多的障碍。除此之外，发现关于产品的资讯通常是时效性很强的。
Prior to the Internet, buyers faced considerable obstacles when trying to make an optimal purchase. In addition, finding information about products was usually time consuming.
拍卖会是购买被收回商品的最佳地方。
就像购买帆船时的其他决定一样，最佳的发动机类型也主要取决于你对船只的偏爱。
As in other decisions when shopping for a sailboat, the best type of motor depends mostly on your preferred uses of the boat.
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