One answer is the black economy, say economists.
经济学家认为，答案之一就是黑色经济。
No one knows how large the black economy really is.
没有人知道黑色经济到底大到什么程度。
One consequence is a large black economy, which also keeps the tax take low.
造成的结果之一便是黑市经济规模庞大，国家税收很低。
A minority of cubans already work for themselves and there is a thriving black economy.
少数古巴人已经自谋生路，非法经济逐渐繁荣起来。
A minority of cubans already work for themselves and there is a thriving black economy.
少数古巴人已经自谋生路，非法经济逐渐繁荣起来。
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