For the WB the tra ort sector does not guarantee a return of more than 10% as recommended by the Mille ium Challenge for private investment.是什么意思_For the WB the tra ort sector does not guarantee a return of more than 10% as recommended by the Mille ium Challenge for private investment.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句