As the trade has grown less risky and more lucrative it has attracted some middle-class women seeking quick tax-free income .

由于交易较少风险，于是其变得越来越赚钱。它吸引了部分寻找快速 赚取 免税 收入的中产阶级女性。

Mr Eerdmans said foreign investors could evade the tax by buying interest rate swaps or offshore global bonds instead while foreign banks are now offering tax-free fixed income transactions linked to local bond rates .

文彼得表示，外国投资者可通过购买利率互换或离岸全球债券规避此税，而外国银行现在也正在推出与当地债券利率挂钩的 免税固定 收益业务。