1. The items on the shelf were all unpriced, so I had to ask a salesperson for the prices.
货架上的商品都没有标价，所以我不得不向销售人员询问价格。

2. The artist decided to leave her paintings unpriced at the exhibition and let the buyers make offers.
艺术家决定在展览会上不给她的画设定价格，而是让买家自由出价。