Grammar Point:本來来就 běnlái jiù often implies “supposed to” or “it goes without saying,” indicating that something is expected or common knowledge. Structure S + běnlái jiù + something supposed to 學xué中文zhōngwén本來běnlái就jiù不bù容易róngyì学xué中文zhōngwén本来běnlái就jiù不bù容易róngyìLearning Chinese is inherently not easy. 穿chuān褲子kùzi本來běnlái就jiù比bǐ穿chuān裙子qúnzi方便fāngbiàn穿chuān裤子kùzi本来běnlái就jiù比bǐ穿chuān裙子qúnzi方便fāngbiànWearing pants is supposed to be more convenient than wearing a skirt. 這zhè本來běnlái就jiù是shì你的nǐde工作gōngzuò这zhè本来běnlái就jiù是shì你的nǐde工作gōngzuòThis is supposed to be your job….