Planners used in real world for planning and scheduling are more complex, so that select the following correct things which should be extend:现实世界中用于规划和调度的规划者更为复杂，因此选择以下哪些应该扩展。
Planners used in real world for planning and scheduling are more complex, so that select the following correct things which should be extend:现实世界中用于规划和调度的规划者更为复杂，因此选择以下哪些应该扩展。
A.the representation language表示语言
B.the planning algorithms规划算法
C.the way to interact with environment与环境交互的方式
D.the approach used for planning用于规划的途径
正确答案：the representation language表示语言；the way to interact with environment与环境交互的方式