YOU SAID:
Why there are no flying cars
INTO JAPANESE
空飛ぶ車がない理由
BACK INTO ENGLISH
Why aren't there any flying cars?
INTO JAPANESE
なぜ空飛ぶ車がないのですか。
BACK INTO ENGLISH
Why don't you have a flying car?
INTO JAPANESE
なぜ空飛ぶ車を持っていないのですか。
BACK INTO ENGLISH
Why don't you have a flying car?
That didn't even make that much sense in English.