Symbolic objects may have also served as a social lubricant during stressful times, as has been argued for the beads from Enkapune Ya Muto.

• 在艰困时期，象徵物品也许还可充作社会润滑剂，例如安布罗斯就是这麽解释晨曦洞发现的鸵鸟蛋壳串饰的功用。