Letter of the Ministry of Labor and Social Securities on the Relevant Issues concerning Holding Professional Qualification Certificates by Foreigners for Their Employment in China [Effective]是什么意思_Letter of the Ministry of Labor and Social Securities on the Relevant Issues concerning Holding Professional Qualification Certificates by Foreigners for Their Employment in China [Effective]在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句