extinction of language and culture is one of the major challenges we face today,中we face在句中的成分
问题描述：
extinction of language and culture is one of the major challenges we face today,中we face在句中的成分
答
做定语从句修饰challenges,省略了作为face的定语从句引导词that.还原一下就是：Extinction of language and culture is one of the majorchallenges that/which we face/are facing today. Extinction of language a...