1·New diet books appear at a rate of nearly one a week.
饮食方面的新书以几乎每周一本的频率出版。
—— 《柯林斯英汉双解大词典》
2·There is one being a wall, the other one a floor.
有一个做为墙面，另一个做为地面。
3·Being emotionally intelligent does not necessarily make one a moral person.
高情商并不一定使一个人成为一个有道德的人。
4·There was exactly one a-piece all round.
正好一人一个。
5·One needs a heart, one a lung, one a kidney, one a liver, and the fifth a pancreas.
分别需要心脏，肺，肾，肝，以及胰腺移植。
6·"I'm going to walk to that tree," he said, pointing to one a few feet away from him.
他指着离他几英尺远的一棵树说：“我要走到那棵树前面去。”
7·A stable job with a steady income offers one a sense of security, especially in today's highly competitive society.
收入稳定的工作能提供一种安全感，尤其是在当今竞争激烈的社会中。
8·There are many reasons why I encourage people to travel, and I know that the experience will make one a better person.
我鼓励人们去旅行的原因有很多，我知道这些经历会让一个人变得更好。
9·I use this one a lot on myself.
我经常用这一招。
10·we have only one a day for New York.
到纽约的一天只有一班。