指特定的兩個人或物中的“一個.另一個時”,只能用 one...the other
例句：I have two brothers.One is a lawyer and the other is a manager.
one...other一般不常見,用于非特定的兩個人或物中的“一個.另一個”
one…the other與some…others這是兩組常一起連用的代詞短語,指兩者之間.前者用于單數(shù),后者用于復(fù)數(shù).
例句：They have different ideas about how to spend their weekend.Some think that it is good to have a party,others prefer to have an outing.
some...others 表示一些人……另外一些人
some...the others 表示一些人……其他所有人
前者others是剩下的人中的一部分,后者the others是剩下的人的全部.
比如說教室里有50個人,Some are boys,and the others are girls.