Testing water for bacterial contamination is relatively easy but still beyond the means of the poor people living in affected areas.

检测受到细菌污染的水源是不难的，但对于某些水源地受到污染又很落后的地区来说，这也是办不到的。

One of the key elements of the new plan is to limit cities from growing beyond the means of their natural resources.

新计划中一个关键要素是限制城市在建设中超出自然资源的承受能力。

Scientific research projects sometimes require the input of a huge amount of money and human resources that are simply beyond the means of any individual or private organisation.

科学研究项目有时需要投入大量的资金和人力资源，这超出了任何个人或私人组织的能力。