Sentence examples for but some from inspiring English sources

"but some" is a correct and usable phrase in written English.
It is typically used to introduce a contrasting idea or exception to the previous statement. Here are a few examples: - "I really enjoyed the party, but some of the food was a little disappointing." - "The movie received rave reviews, but some critics still had reservations about the plot." - "The new policy will benefit most employees, but some may be negatively affected."