In the United States, it's newer because,for example, Houston - being a relatively new city - really was developed around the automobile."
VOA: standard.2010.07.26
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。
The military is already shifting to a newer, slightly less sophisticated aircraft, the F-35 Joint Strike Fighter, designed more for attacking targets on the ground.
VOA: standard.2009.07.21
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