APEC is a regional forum set up in 1989 for high-level government-to-government dialogue and co-operation on trade and economic issues.是什么意思_APEC is a regional forum set up in 1989 for high-level government-to-government dialogue and co-operation on trade and economic issues.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句