YOU SAID:
There is no reason to believe that the end of the world is upon us within the span of our lifetime
INTO JAPANESE
世界の終わりが私たちの人生のスパンの中で私たちにあると信じる理由はありません
BACK INTO ENGLISH
There is no reason to believe that the end of the world is with us in the span of our lives
INTO JAPANESE
世界の終わりは私たちの人生のスパンにあると信じる理由はありません
BACK INTO ENGLISH
There is no reason to believe that the end of the world lies in the span of our lives
INTO JAPANESE
世界の終わりは私たちの人生のスパンにあると信じる理由はありません
BACK INTO ENGLISH
There is no reason to believe that the end of the world lies in the span of our lives
That didn't even make that much sense in English.