short-time climatic variation

例句：

1. 1.The short-term effects of the policy are still being debated.
   这项政策的短期效果仍在讨论中。
2. 2. The project will be completed in a short-time.
   这个项目将在短期内完成。
3. 3. The short-time solution may not be sustainable in the long run.
   这种短期解决方案在长期可能不可持续。