介词 with 的宾语，one是先行词，that 才是引导定语从句的关系代词。
例句
The red rose is the only one that I really like.
我唯一真正喜欢的花是红玫瑰。
You are the only one that can create that for you.
你是唯一能为自己创造那样东西的人。
The best exercise is one that you enjoy and will do.
最好的运动是你喜欢并且愿意做的运动。
