1. Our survey revealed that these allergies were mainly one-offs. 我们的调查显示，这些过敏大多是一次性反应。
2. One-offs allow you to learn while also giving you the freedom to pursue other opportunities as soon as each assignment is completed. 一次性的任务不仅能让你从中学到东西，你也可以在最短的时间内完成任务去寻求其他的机会。
3. We are in an ecosystem of service providers with existing functionality that is often brittle and developed ad-hoc: connections may often be "one-offs." 我们处于服务提供者的生态系统，其中的现有功能通常是脆弱的和特别开发的：连接常常是“一次性的”。
4. Many of the albums included here are testaments to the art and craft of personalised book-making, one-offs that seem almost anachronistic in the age of the download and the hard drive. 其中包含的许多影集，都是对在下载和硬盘时代近乎落伍的个人书籍制作、「仅此一件」作品的艺术和工艺的致敬。
5. This situation brings to light one of the more common trade-offs in computing: speed versus memory. 这种情况揭示了计算方面的更常见的折衷方案中的一种：用速度换取内存。
