The Yes campaign has spent most of the past few weeks in a defensive position, struggling to refute claims about the cost, complexity and international rarity of their voting model.

支持派阵营则在过去几周的多数时间内处于防御自卫地位，艰难地批驳针对其投票制度的开销、复杂度和全球罕见度的言论。

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Trade and Industry Secretary Alistair Darling told BBC Radio 4's Today programme that he had concerns about the complexity of the voting system when he was Scottish secretary.

BBC: NEWS | UK | Scotland | SNP begins coalition discussions