They must conduct their businesses in accordance with the principles of honesty and fairness, and in a manner that contributes to the maintenance of a fair and orderly market.是什么意思_They must conduct their businesses in accordance with the principles of honesty and fairness, and in a manner that contributes to the maintenance of a fair and orderly market.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句