门交换

gate swap swap, gate  detail>>

后门交易

backdoor listing under the counter deals  detail>>

活门交迭量

valve overlapping  detail>>

后门业务，后门交易

backdoor operation  detail>>

交通

1.(往来通达) unobstructed : 阡陌交通 crisscross of paths in fields 2.(运输) traffic; communications; tran...  detail>>

热络的交易, 独立贸易, 热门交易

active trade  detail>>