l Changes made to a collective order affect all orders within that group(联合订单中一个订单发生改变会影响其他订单)
l 在改变确认前可以先查看效果
l 在变更时联合订单的视图也很重要
l Date changes automatically cause dependent orders to be updated
l You can view the effects that the changes have had on the dependent orders before saving.