cannotとcan not

Cannot vs. can not



David cannot drive. (David lacks the skill set for driving.)

David is not able to drive. (This accurately describes David’s state.)

Caroline can not drive. (Caroline could drive, but can choose to let someone else do it, or to walk instead.)
Caroline is not able to drive. (This doesn’t accurately describe Caroline’s state.)


この例文でつくされています。can notの説明はI can, not eat something. という例文も踏まえれば何が言いたいのかわかります。

cannotは選択の余地なし、is not able toで言い換えできる。