Since it's just assembling molecules, presumably it would be cheaper for this thing to make you a pair of diamond earrings than a hot dog, since fewer molecules and less energy would be required.
既然只是分子的组装，那么可以推出，用这个机器做一对钻石耳环会比做一只热狗便宜，因为做前者用的分子和能量更少。
So if one store charges a price for a pair of sports shoes, the consumer could go to the store along the street to compare prices for the exactly the same item, and buy the cheaper of the two.
所以，如果一家商店对一双运动鞋作出标价，消费者会沿街去另一家商店比较同一双鞋的价格，然后选择其一购买。
It is better to take a pair of expensive shoes instead of a few pairs of cheaper ones.
与其买很多双廉价鞋子，不如备一双贵点的好鞋。
It is better to take a pair of expensive shoes instead of a few pairs of cheaper ones.
与其买很多双廉价鞋子，不如备一双贵点的好鞋。
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