Fāpiào shàng de jīn'é yào tóngshí xiě dàxiě hé xiǎoxiě.
The amount on an invoice must be written both in anti-fraud numerals and in ordinary ones.
Tips
usage
The opposite is 大写. For letters: 小写字母 'lowercase letter', 区分大小写 'case-sensitive'. For money, 大写 means the complex anti-fraud numerals used on cheques and invoices (壹, 贰, 叁), and 小写 the ordinary ones (一, 二, 三 or 1, 2, 3).
