YOU SAID:
today i will wear my white button down
INTO JAPANESE
今日は白いボタンを下に着ます
BACK INTO ENGLISH
I wear a white button underneath today
INTO JAPANESE
今日は下に白いボタンをつけています
BACK INTO ENGLISH
I have a white button underneath today
INTO JAPANESE
今日は下に白いボタンがあります
BACK INTO ENGLISH
Today there is a white button below
INTO JAPANESE
今日は下に白いボタンがあります
BACK INTO ENGLISH
Today there is a white button below
That didn't even make that much sense in English.