unlawful interest meaning in Chinese

非法权益

Furthermore , the affiliated relationship among the trading parties can largely save the business cost , time and promote the trading efficiency . however , on the other hand , if no appropriate supervisions of law are given , the trading parties and listed corporations may take advantage of the trading conditions for the purpose of making unlawful interests for themselves
那么其交易行为属于市场经济环境中的一种正常行为，并且，由于交易双方存在着关联关系，还可以大量地节约商业活动中所发生的多种交易成本，节约交易时间，提高交易效率。