보급diffusion; distribution; popularization 언급mentioning; referring; reference 파급spread; extension 파급력ripple effect 후회막급useless regretting; deep regret; extreme remorse 가급적if possible 과유불급more is just as bad as less 급as well as; also 급제pass 보급형low-end product

기타etc.; and so on; and such 각기individual 각기individually; separately 기실truth 기실as a matter of fact; actually; in fact 부지기수being countless; being numerous