이것이 좋은 방법이라고 믿습니다.
If you mange to follow these 7 advises, you can be sure your speeches will be good. And I mean they will be better than 99% of the speeches given. This is pretty good I believe.
Speech and mechanism, Princeton, NJ: Princeton University Press.
Selinger, H. W.(1979), On the natures and function of language rules in language teaching, TESOL Quarterly, 13.
Hauser, M. D., Chomsky, N., & Fitch, W. T.(2002), The faculty of language: What is it, who has it, and how did it evolve?