As consultants our starting point is that pension funds are very undiversified says Mr MacDonald .

麦克唐纳表示：作为顾问，我们的出发点是，养老基金的 投资 品种非常 单一。

Preferred stock is a financial tool widely applied in investment activities and financing activities in developed countries ; but so far there is no corresponding legal reference in China where the forms of stocks remain undiversified .

优先股是发达国家投融资活动中被广泛应用的金融工具，但其在股份形式 单一的中国尚缺乏法律依据。