When a thing is rare it becomes precious A thing is valued if it is rare A thing is valued in proportion to its rarity A thing is priced if it is rare Objects are valued because of their rarity The rarer a thing is the more it is worth The worth of a thing is best known by the want of it When the fruit is scarcest its taste is sweetest
英语词典收录了最新的汉英词典和英汉词典，总共有200多万个词条，词库仍在不断更新中。