A spokesperson for the Cruise Lines International Association says other air quality depends on the requirements of the nation where a ship was built.

VOA: special.2009.07.14

On top of that, there is AC Requirements and a few other things.

另外，还有AC要求和其它一些要求。

伯克利的课程计划 - SpeakingMax英语口语达人

"Toys imported from China, as toys manufactured in the United States and imported from other countries, all have to meet U.S.requirements and meet the U.S.laws,"

VOA: standard.2010.01.11