YOU SAID:
Do we need to know about a flushing toilet?
INTO JAPANESE
水洗い便器について知っておく必要がありますか?
BACK INTO ENGLISH
Do I need to know about toilet bowls?
INTO JAPANESE
私は便器について知る必要がありますか?
BACK INTO ENGLISH
Do I need to know about toilet bowls?
That didn't even make that much sense in English.