but at least you should try.

[keannu]

Can this "but" be replaced with "so"? The answer is only "but", but I think "so" also works.

gz186)It's not easy to understand other cultures, but at least you should try.

[JMurray]

not a teacher

Can this "but" be replaced with "so"? The answer is only "but", but I think "so" also works.
gz186)It's not easy to understand other cultures, but at least you should try.

The meanings are different.
It's not easy to understand other cultures, but (nevertheless/however you should at least try).
It's not easy to understand other cultures, so (therefore you should at least try because it's good to try difficult things).