IN WITNESS WHEREOF, the undersigned Plenipotentiaries, whosecredentials have been found in ord er, have signed this Convention.是什么意思_IN WITNESS WHEREOF, the undersigned Plenipotentiaries, whosecredentials have been found in ord er, have signed this Convention.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句