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编者按这篇文章是两位学生所写，我们发表它，是为了鼓励这两位学生的钻研精神。他们对教材中一句译文有怀疑，查了几部词典，终于解决了心中的疑困， 这样认真， 是值得赞赏的。不过，他们最后达到的理解，并不完全正确。ｉｎｃｒｅａｓｅ 并没有“增加到”的意思，如果要表示“增加到”， 须用ｉｎｃｒｅａｓｅ ｔｏ 。ｔｉｍｅｓ 的意思是ｍｕｌｔｉｐｌｉｅｄ ｂｙ ， 即汉语的“乘”。ｉｎｃｒｅａｓｅ ３ｔｉｍｅｓ， 如果直译， 为“增加乘３”， 是不合汉语习惯的， 因在数学上相当于汉语 “增加到三倍”，或“增加两倍”，所以就这样译了。关于ｔｉｍｅｓ ， 英语教师有另一种争论：ｉｎｃｒｅａｓｅ ｎ ｔｉｍｅｓ 究竟是“增加ｎ 倍”，“还是增加ｎ － １ 倍”。两种观点都能找到实例，从ｔｉｍｅｓ ＝ｍｕｌｔｉｐｌｉｅｄ ｂｙ 来看， 所得到的数量是应当包括原来的数量在内的，但难免有人理解为“增加的数量”。因此，在阅读时遇到ｔｉｍｅｓ 要小心。顺便告诉两位作者， ｄｅｃｒｅａｓｅ ｔｈｒｅｅ ｔｉｍｅｓ意思是“减少到１／３”，或“减少２／３”。
Editor’s note This article was written by two students. We published it to encourage the two students to study. They were skeptical about a translation in the textbook, checked several dictionaries, and finally solved their doubts in their hearts. Such seriousness is worth appreciating. However, their final understanding is not entirely correct. The increase does not mean “increase to”. If you want to indicate “increase”, use increase to. Times means multiplied by , which is Chinese “multiplication.” Increase 3times, if literally translated, “increase by 3” is not Chinese customary, because it is mathematically equivalent to Chinese “increasing to 3 times” or “increasing double”, so it is translated. With regard to time, English teachers have another argument: whether increase n times is “increasing n times” or “increasing n - 1 times.” Instances can be found in both perspectives. From the perspective of times =multiplied by, the quantity obtained should include the original quantity, but it is inevitably interpreted as “increased quantity”. Therefore, be careful when reading time. By the way, telling the two authors that the decrease three times means “decrease to 1/3”, or “reduce 2/3”.