与销售计划同步策略编制生产与库存计划的原理是生产计划等于销售计划（）
参考答案：对
Which do you enjoy your spare time, playing cards at home or taking a walk in the park?
A．spending
B．to spend
C．having spent
D．to have spent
车辆驶离高速公路时，应当经减速车道减速后进入匝道。
