a decision leading to policy can only be as good as the information on which it is based
问题描述：
a decision leading to policy can only be as good as the information on which it is based
a decision leading to policy 怎么能做主语呢 不懂 加几个杠吧需要?不懂
答
a decision 是主语,leading to policy 是定语,他们共同作主语.定语可以变成定语从句：
A decision which is leading to policy,