with in the next two decades

例句：

1. 1. The house is withinwalking distance of the park.
   这所房子离公园步行距离很近。
2. 2. Weneed to find a solutionthat works within our budget.
   我们需要找到一个在我们的预算范围内的解决方案。
3. 3. The projectwas completed within the timeline set bythe client.
   该项目在客户设定的时间范围内完成了。