The train was invented in the early nineteenth century. It is fast in speed and low in price, especially suitable for the transportation of goods and long-distance passenger travel.

火车诞生于十九世纪初，其特点是快速，廉价， 特别适合陆上货物运输以及旅客长途旅行。

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With respect to fast moving consumer goods, excessive discounting (pricing too low) can effectively train consumers to look for a certain sale price and wait for that price before they buy.

FORBES: Price; Marketing's Most Delicate "P"