Difference between “combination of ” and “combination between”
I have read both two uses:
The combinations of a, b and c, taken two at a time, are ab, bc, ac.
We can not help but noticing a harmonious combination between classic and contemporary.
Are both uses interchangeable? Perhaps substitute combinations among for combinations of in the first sentence? Any idea is appreciated.
Solution 1:
When two or more things are combined, it is a combination of them. You cannot have a combination 'between' or 'among.' 'Of' is the correct preposition to use.
Solution 2:
What Tony said. Here's the ngram
