A4
n. A4型纸（规格为297×210毫米的纸）
🗣️ 情景例句
Will you help me?
可以帮助我吗？
It's no sin to sell dear, but a sin to give ill measure.
高价卖不为过，短斤少两才有罪。
It only remains for me to pass all the money that she had to the right person.
对我来说，剩下的只是将她所有的钱交给合法的继承人。