"高等教育"“人山人海”用英语怎么讲？

tertiary education
huge crowds of people

高等教育higher education

人山人海 huge crowd of people
有人直译为：People mountain people sea. 这就是「中国英文」，老外很难理解。他们指「人多」时，通常也说：There is a large crowd of people.

higher education
huge crowd of people

高等教育advanced education
人山人海Sea of people

higher education

a lot of people

high education
a flood of people