The Secretariat has two-category of staff.The first category is Professional Staff Memberswhich are seconded from the government of member economies.是什么意思_The Secretariat has two-category of staff.The first category is Professional Staff Memberswhich are seconded from the government of member economies.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句