black market
black-market的词性：
n.（名词）
1. The illegal business of buying or selling goods or currency in violation of restrictions such as price controls or rationing.
黑市交易：违反如价格控制或定量配给等法令的不法买卖货物或货币的交易
2. A place where these illegal operations are carried on.
黑市：这种不法行为实施的场所
black-market的音标和读音：
black-market的音标和读音：
black-market的词性：
n.（名词）
black-mar.ket
black-market的音标和读音：
DJ音标发音： [ˈblækˈmɑ:kit]
KK音标发音： [ˈblækˈmɑkɪt]
black-market的词性：
v.tr.（及物动词）
1. To trade (something) in the black market.
做黑市交易：在黑市中做某项交易