This kind of training is ineffective, and wasteful of scarce resources.

这种训练没有效果，浪费了稀有资源。

However, they have real impacts, as they result in misguided use of scarce resources.

然而，它们有实际的影响，因为它们导致了对稀缺资源的错误使用。

Why scarce resources?

为何研究稀缺资源？

The most scarce resources??? What???

最稀缺的资源是什么？

Scarce resources.

资源稀少。