medium-dated securities

例句：

1. 1. The room is medium-sized,so it's not too cramped.
   这个房间中等大小，所以不会太拥挤。
2. 2. Thefood is moderately priced,so it's affordable for mostpeople.
   食物价格适中，对大多数人来说是可负担的。
3. 3. The company has a medium-dated policy on employee benefits.
   该公司对员工福利的政策是中等的。