要因

N1 要する yousuru to demand, to require, to take N1 要請 yousei claim, demand, request, application N1 要望 youbou demand for, request N2 要旨 youshi gist, essentials, summary N2 要領 youryou gist, essentials, outline N3 重要 juuyou important, essential, significant N3 主要 shuyou main, principal, major N3 需要 juyou demand, market demand N3 要求 youkyuu request, demand

N3 要 you / i.ru, kaname need, main point, essence N3 因 in / yo.ru, china.mu cause, factor, be associated with