这位导演的作品已经进入了主流电影行业。
This director's work has entered the ___mainstream film industry.
甚至一些主流媒体机构也被指控传播错误信息。
Even some ___mainstream media outlets have been accused of spreading misinformation.
她的时尚风格相当传统,符合主流趋势。
Her fashion style is quite conventional and aligns with ___mainstream trends.