在最后一段里:"It would be unrealistic to suggest that illegal digging would stop if artifacts were sold on the open market.But the demand for the clandestine product would be substantially reduced."整句话就是说如果这些artifacts 能够在公开市场上卖,illegal digging也不一定能停止,但是对这种产品的需求会大量减少~clandestine product就是duplicate artifacts的近义词,有产品需求了~暗示市场已经存在啦:)