sell sb. down the river

例句：

1. 1. The company decided to sell its assets to raise capital.
   公司决定将其资产出售以筹集资金。
2. 2. The government is selling off public land for development.
   政府正在出售公共土地以进行开发。
3. 3. The seller was willing to sell the house for a lower price than the asking price.
   卖家愿意以低于要价的价格出售房子。