between과 among

① 분명히 떨어져 있는 사람이나 사물 사이에 있는 것을 말할 때는 between을 쓰고 사람이나 사물이 그룹지어 있거나 덩어리로 뭉쳐 있어 서로 분리 되어 있다는 것을 알 수 없을 때는 among을 '- 중의 하나'라는 의미로 쓴다.

She was standing between Alice and Mary.
She was standing among a crowd of children.

Our house is between the woods, the river and the village.
His house is hidden among the trees.

② between은 간격이나 시간에 쓴다.

We need two meters between the windows.
I'll be at the office between nine and eleven.

③ 두 면에 뭔가가 있을 때 between을 쓴다.

a little valley between high mountains
I saw something between the wheels of the car.

④ 일련의 단수 명사가 올 때는 between을 쓰고 복수 명사가 올 때는 among을 쓴다.

He divided his money between his wife, his daughter and his sister.

⑤ difference 뒤에는 between을 쓴다.

What are the main difference between crows, rooks and jackdaws?