YOU SAID:
Why do we spend so much time
INTO JAPANESE
なぜこんなに多くの時間を費やすのか
BACK INTO ENGLISH
Why do you spend so much time?
INTO JAPANESE
なぜそんなに時間を費やすのですか。
BACK INTO ENGLISH
Why do you spend so much time?
That didn't even make that much sense in English.