What is "curiously enough"

adv. curious (or funny or interesting or odd or strange) though it may seem; "curiously enough, he didn't recognize his old friend"; "interestingly enough, America is now dependent on Africa for a large part of its oil"; "funnily enough, the ones I thought so ugly were the ones that sold out first"; "oddly enough, he hasn't mentioned it" [syn: funnily enough, interestingly enough, oddly enough, strangely enough]