1 (wiktionary) 2 (vi.wikipedia) 3 (en.wikipedia) 4 (glosbe)

Core Words Familarize yourself with the 'core words'.
Compounds Expand your vocabulary by studying more complex words built by the 'core words'.
Wordsense Learn about the wordsenses of the english term.

ETYMOLOGY

KOREAN 3.0 Eng Wordtype Etym. Gb Vie
☆ NEGOTIATION; TALK Noun 协商协商，磋商 sự bàn bạc, sự thương thảo, sự thảo luận
☆ NEGOTIATION Noun 交涉交涉，谈判 sư thỏa hiệp, sự thương lượng