I've been doing this job for 25 years, and I tell you you're going to stuff it up doing things this way.
我干了这工作已有25年了,告诉你,你这样做事情,会把事情办糟的。
and reduces correspondingly the amount of economic resources that could be used for developing the country.
从而相应地减少了那部分可以用来发展国家的经济资源。