two-tie market

• 两级市场

two-tie market的用法和样例：

例句

1. Green segregating construction market level will increase land supply for the market to curb land speculation zero level, lower land costs.
   绿化隔离带建设将增加土地一级市场的供应量，有利于抑制土地零级市场的炒买炒卖行为，降低土地成本。