46 A 47D
①This, for those as yet unaware of such a disadvantage, refers to discrimination against those whose surnames begin with a letter in the lower half of the alphabet.
对于这些还没有意识到他们的这种不利条件的人，我们可以这样解释：这是指一种对于姓的首字母是位于字母表的后半部分的人们的歧视。
②It has long been known that a taxi firm called AAAA cars has a big advantage over Zodiac cars when customers thumb through their phone directories.
众所周知，在顾客翻电话目录叫的士的时候，名为AAAA的的士公司要比名为ZODIAC的公司更有优势。
③Thus the American president and vice-president have surnames starting with B and C respectively; and 26 of George Bush\'s predecessors (including his father) had surnames in the first half of the alphabet against just 16 in the second half.
因此，美国的总统和副总统的姓的首字母分别以B和C开头；而且George Bush的先辈中包括他的父亲，他们姓的首字母都位于字母表的前半部分，却只有16位排在了后半部分。
