她说她要15元才卖。

She said she'd accept $15 for it.

《牛津词典》

坐车才两元钱呀！

It's only two yuan on the bus.

youdao

杨小姐要求退款说：“导购员说这双鞋子正在打折，所以仅仅才卖59元，但是当我付款结账时就需要99元。”

Ms. Yang, refund recipient, said, "The salesman said the shoes were on sale, and that's why they were selling for just 59 yuan. But, when I went to pay, they charged me 99 yuan."

youdao