私下交易 meaning in English

rough trade
under the table

Wash trading ， bucketing ， cross trading ， or other schemes which give the appearance of trading . actually ， no bona fide ， competitive trade has occurred
用虚假、私下交易或内部对冲等伎俩做出交易的表面过程，但实际上并没有真实的、有竞争性的交易发生。
Fictitious trading means wash trading ， bucketing ， cross trading ， or other schemes which give the appearance of trading . actually ， no bona fide ， competitive trade has occurred
虚假交易用虚假、私下交易或内部对冲等伎俩做出交易的表面过程，但实际上并没有真实的、有竞争性的交易发生。
The volume of business on virtual property is getting more and more . virtual property , such as game arming and private trade between players is challenging the traditional theory of civil law
由于目前虚拟财产交易的数额越来越大,以网络游戏装备为代表的虚拟财产以及玩家之间私下交易现象的出现向传统的民法理论提出了新的挑战。
It was pointed out that if there is no collusion among agents , a principal may raise the incentive by comparing their performances , nevertheless , the existence of collusion will weaken the incentive effect
指出如果代理人没有私下交易，委托人利用代理人之间的绩效比较可以有效地提高对代理人的激励；反之，代理人之间的私下交易则会削弱委托人对代理人的激励。