YOU SAID:
Good couple's day about 80% are harmonious
INTO JAPANESE
いい夫婦の日は約8割が円満
BACK INTO ENGLISH
About 80% of good couple days are harmonious
INTO JAPANESE
いい夫婦の日の約8割は円満です
BACK INTO ENGLISH
About 80% of good couple days are harmonious
Come on, you can do better than that.