apart 和away有什么区别?请结合例子

They are miles apart.

The village is 20 miles away.

还有y用apart 作后置定语是不是主语必须是复数？

可不可以说He is miles apart?

至少两个东西间apart.
He and I am miles apart (between us) 可能是 He and me are miles apart.
The villages are miles apart (between them).

离某东西away
He is miles away (from me).
The village is miles away (from here, or from the next village).

far away: 是距离的遥远（指代物理距离） a. 遥远的(远远的) christmas is a time for friends and family members to see each other again and to send christmas cards to those who live far away. 圣诞节是朋友家人互相再见，以及寄圣诞卡给住在远方的人的一段时间。 we can talk to those who live far away by telephone. 我们可以用电话和住在远处的人说话。 i live far away from my school. 我住的地方离学校很远。 far apart: 可以指代思想性格等差距很远 a. 远远分开(远离着,远隔着) 例句与用法: 1. our view are not so far apart, after all. 我们的见解毕竟没有多大的分歧。 2. the twin brothers are far apart in character. 那两个孪生兄弟的性格相差很远。 3. in gases, the particles are far apart, with empty space between. 在气体中分子之间的距离很大，彼此之间有空隙。 4. our views are not so far apart, after all. 我们的想法毕竟没有多大的分歧。