lwhsu/freebsd-doc — comment on commit 0261e62e0429e67caf5e0d22a51d2606d1ec5774
File: zh_TW.Big5/books/handbook/basics/chapter.sgml line 409
By danielliang:

And "a" is not always translated to the number in Chinese.

Ref:中文的常態與變態:
http://blog.yam.com/soliloque/article/4938270