under the counter activities暗箱操作
sell under the counter私下出售
under-the-counter柜台下交易;私下出售的;台底交易
under-the-counter deals开后门
under-the-counter deings开后门
was under-the-counter gunrunning只能做地下买卖
under-the-counter sales柜下销售
under-the-counter denoss开后门
under-the-counter operations暗箱操作