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
英語詞典收錄了最新的漢英詞典和英漢詞典，總共有200多萬個詞條，詞庫仍在不斷更新中。