ADJECTIVE | VERB + CRUX | CRUX + VERB | PHRASESADJECTIVE➤real真正的癥結VERB + CRUX➤be是癥結◇This is the real crux of the issue to me.這對我來說是問題的真正癥結所在。CRUX + VERB➤lie癥結在於◇The crux of the matter lies in our lack of expert knowledge.問題的癥結在於我們缺乏專業知識。PHRASES➤the crux of the matter, the crux of the problem問題的癥結