风险

例句：

1. 1. The investment in renewable energy is a high-risk but promising venture.
   对可再生能源的投资是一项高风险但前景光明的事业。
2. 2. The project faces significant risks and challenges.
   该项目面临重大风险和挑战。
3. 3. It's important to assess the risks before making any decisions.
   在做出任何决定之前，评估风险非常重要。