Black markets trade in nuclear secrets and materials.
黑市上还在进行核秘密和和物质的交易。
The oldest Oxford racket had been elbowed out by the black markets in Woodbines, toffees, tomatoes.
最古老的牛津非法交易市场被推出去了，太妃糖和西红柿被黑市挤出去了。
Even if dramatic measures are taken, digital payments bring a host of problems of their own-security breaches, privacy concerns and virtual black markets to name a few.
尽管已经采取了大量措施，数字支付系统还是带来了诸多问题——安全漏洞、隐私问题虚拟黑市等等。
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