例句：
The factories have closed for the weekend to conserve energy.
这些工厂在那个周末关了厂以节省能源。
First, they should conserve the wildlife and culture of the area.
首先，他们应该保护该地区的野生动物和文化。
How can governments help people conserve their health and avoid premature death?
政府如何帮助人们保持健康，避免过早死亡？
If we try our best to recycle the wastes, we can reduce pollution and conserve natural resources.
如果我们尽力回收废物，我们可以减少污染，保护自然资源。