Ā / lā / bó / shù / zì / hé / Luó / mǎ / shù / zì / shì / liǎng / zhǒng / bù / tóng / de / shù / zì / xì / tǒng阿拉伯数字和罗马数字是两种不同的数字系统。Arabic numerals and Roman numerals are two different numeral systems.