區別如下(1)at home帶有一種感情色彩,使用比較廣泛,是泛指,可以獨立成文,介詞后面不能再加其它限定詞。She educated her younger daughter at home.她在自己家里教育她的小女兒。You'll never see life if you stay at home forever.如果你一直呆在家里，就永遠不會有生活經驗。Come in and make yourself at home.請進，別客氣。He was at home just now.他剛才在家。Please make yourself at home.請別客氣。He is at home.他在家里。They would rather go fishing than stay at home.他們寧愿去釣魚，也不愿待在家里(2)in the home則在特定的情況下才能用,強調具體建筑物體的位置,帶有特指的意思.介詞后可以加其它限定詞。Sale in the home market rise by22%.國內市場的銷售量提高了22％。This machine has a universal use in the home.這種機器在家庭中有廣泛的用途。He had the fixed idea that a woman's place was in the home.他有個成見，認為女人的天地是在家里。What method can treat myopia in the home?有什么方法可以在家治療近視呀？He takes care of everything in the home.家里所有的事情他都能把攬上。On July 13, cai Erci is arrested in the home.