KOREAN 3.0	Kor	Eng	Wordtype	Etym.	Gb	Vie	Span
☆	효용	USEFULNESS; UTILITY	Noun	效用	效用，作用，效能，实效，效	công dụng, sự lợi hại, sự hữu ích	UTILIDAD, UTILIDAD

HSK 3.0	Big5	Gb	Pin	Eng
4	效率	效率	xiàolǜ	sufficiency, effectualness, effectuality, productiveness, usefulness, efficiency, effectivity, effectiveness
6	用處	用处	yòngchu	use, value, practical application, function, purpose, point, usefulness, mileage, role