与官价汇率同时并存的增行汇率的英文

parallel rate of exchange

• 与:    take part in; part ...
• 官价汇率:    official rate of e ...
• 同时:    at the same time; ...
• 并存:    exist side by side ...
• 的:    4次方是 The fourth po ...
• 增:    increase; gain; ad ...
• 行:    go
• 汇率:    exchange rate