dead-end clamp

例句：

1. 1.The old car was a dead-end investment.
   那辆旧车是个无望的投资。
2. 2.The project had a dead-end in funding.
   这个项目在资金上遇到了瓶颈。
3. 3. The company's sales were at a dead-end.
   公司的销售额陷入了停滞。