At this time,people also remember the first travelers from England who came to live in America about 400 years ago.此时,人们

问题描述:

At this time,people also remember the first travelers from England who came to live in America about 400 years ago.此时,人们也回忆起约400年前从英国迁来美国生活的首批旅行者.
这句定语从句先行词有序数词修饰,为什么引导词不用that呢?

先行词是人可以用that