Meaning of the word "except that" in English

What does "except that" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

except that

US /ɪkˈsɛpt ðæt/
UK /ɪkˈsɛpt ðæt/

Conjunction

used to introduce a statement that forms an exception to one just made

Example:
The plan was perfect, except that it cost too much.
I would go, except that I'm too busy.