Thosecountriesthatarethesourceofarchaelogicalmaterial--thecivilizaztionsaroundtheMediterrean,inCentralandSouthAmerica,WestAfrica,andAsia--havebeentakinganincreasinglyrobustlinetoprotectwhattheyseeastheirheritages.
这段文字是关于古董和文化遗产保护的,请问takeanrobustline是什么意思?
谢谢!