This, 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.

对于那些还没有意识到这种不利条件的人来说，这指的是对那些姓氏以字母表下半部分的字母开头的人的歧视。

youdao

Must begin with a letter.

必须以字母开头。

youdao

For instance, user names typically begin with a letter.

例如，用户名通常以字母开头。

youdao