The key results have to be measured, but at the end you can look and without any argument say, "Did I do that, or did I not do that?" Yes. No. Simple.
핵심 결과는 측정되어야 하지만 결국 볼 수 있고 논쟁의 여지없이 "내가 그걸 했었나, 안 했었나?" 예.