But she realized then that his mind would forever be on the march, always requiring something newer, better and more perfect.

VOA: special.2009.09.26

This is just an acronym that you still see and use today, though there were newer systems that are more expressive for other languages, non-romance languages.

这就是你仍在看到和使用的缩略词，尽管出现了新的语言系统,能够更好的表达其他的语言。

哈佛公开课 - 计算机科学课程节选

A newer version of this that works in a similar way but a different way is called RNA interference, and it turns out that this is a natural mechanism that cells have.

NA干扰是这类方法的新秀,它的原理与其大同小异,已经证实 这是细胞的自然机制

耶鲁公开课 - 生物医学工程探索课程节选

"We're looking to get off fossil fuel generation, whatever it might be, and we need to bring these newer technologies in.

VOA: standard.2010.03.23

He adds that the newer version has a shorter launch time, better deterrent capability, and that it is a two-stage rocket using solid fuel that is highly maneuverable.

VOA: standard.2009.12.18