1400年之后不久，造船工人开始开发一种新型的船，这种船设计合理，可以在开阔的水面上航行：它就是卡拉维尔号。
Shortly after 1400, shipbuilders began developing a new type of vessel properly designed to operate in rough, open water: the caravel.
保养良好的二手船通常也比较保值，当然前提是你买的时候价格也合理。
Used boats that are well maintained generally hold their value fairly well, assuming you got a good price to begin with.
试着座合理的火车或船旅行。
Trying to take the train or boat to travel - where reasonable.
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