单语范例（未经PONS编辑处理）
Subsidiary routes, of which only three currently exist, are grouped with their one- or two-digit parent.
en.wikipedia.org Letters in the third and fourth rows are replaced by a two-digit number representing their row and column numbers.
en.wikipedia.org Generally the two-digit odd numbered highways run north-south with a few exceptions; and even-numbered two-digit state highways run east-west with a few exceptions.
en.wikipedia.org Entry and exit stamps are applied in black ink, except for the red date stamp and a two-digit security code in the middle.
en.wikipedia.org In this article, we follow the common practice of using each numeral autonymously to denote itself: as 12 is a two-digit numeral.
en.wikipedia.org