有家报纸上的一篇文章说,有个西瓜摊,西瓜标价是:四斤以上,每斤一角四分;四斤以下,每斤一角一分。一位顾客挑了一个西瓜,刚好四斤,卖瓜的要他按每斤一角四分付款,说“四斤以上”包括四斤,买瓜的则坚持按每斤一角一分付款,说“四斤以下”包括四斤。双方争持不下。文章认为,造成这场争执的原因,主要是双方对“以上”以下”有不同的理解。“以上”“以下”都是涉及数量的概念,其“科学的规定”是:“‘以上’是指包括本数和一切高于本数的数,‘以下’是指一切低于本数 An article in a newspaper said that there is a watermelon stand, watermelon price is: more than four pounds, a quarter of a catty; A customer picked a watermelon, just four pounds, sell the melon to pay him a quarter of a quarter of payment, saying that “four pounds or more” including four pounds, buy melon is insisted on a payment per kilogram corner, saying “ Four pounds or less, ”including four pounds. Both sides can not compete. The article argues that the reason for this dispute is mainly that both parties have different understandings of “below” and above. “Above” and “below” all refer to the concept of quantity. The “scientific provisions” are: “above” is Refers to including the number and all higher than the number of the number, ’below’ means that everything below the number