例句：

　　I bought one of the leading brands.

　　我買了幾個暢銷品牌中的一種。

　　I heard a playback of one of the tapes.

　　我聽到了其中一盤錄音帶的回放。

　　I had made arrangements for my affairs to be dealt with by one of my children

　　我已經安排我的一個孩子處理我的事務。

　　One of the bags was lost en route.

　　其中一個包在途中丟失了。

　　I think that is one of the major ingredients in his success.

　　我認為那是他成功的主要因素之一。