An inexpensive or even free operating system.

廉价的甚至免费的操作系统。

youdao

So far, on the rare occasions where I got user feedback on pricing, they wanted it to be cheaper or even free.

目前为止，少数涉及价格的用户反馈都是希望能便宜些，甚至免费。

youdao

Hospitals and clinics also provide the latest in health care technologies at reduced prices or even free to those who could not otherwise afford it.

医院和诊疗所降价提供最新的保健技术，而且甚至为负担不起降价费用的人们提供无偿服务。

youdao

An investigation showed that leading members of Congress, and even the Vice President, received shares of ownership in the company for free, or at low cost.

VOA: special.2010.02.25

This is also important though for Roman politics, because if you're if a freedman, - or even if you're a free person-- sometimes see freemen would connect themselves to a powerful Roman who was higher status than them, because they could use him for important things.

同时对罗马政治也很重要，因为即使是自由人，甚至是自由民-,有时候也会依附有权有势,地位高于他们的罗马人，以谋求他们的帮助。

耶鲁公开课 - 新约课程节选

Many online dating services are cheap or even free -- a seemingly good deal.

CNN: Use your money to buy happier time

Since this would make software cheaper, or even free, consumers might live with the bargain.

ECONOMIST: Advertising in videogames

Games are usually cheap (99 cents to download one) or even free, and most guide you very gently into playing, with helpful on-screen tips and intuitive touchscreen controls.

FORBES: Phone And Tablet Games For Grown-Ups