1. Some manufacturers and retailers have voluntarily rolled out collection programmes in states that do not require them. 在某些州，在无人要求下，一些制造商和零售商已自发地推出回收计划。
2. A. No, not in general. A creature may leave the battle map voluntarily only if the scenario description specifically allows it. 在一般的情况下是不行的，除非地图中有明确说明此场景可以允许生物主动退出战斗。
3. Finally, each year we will voluntarily report to Congress when we have invoked the privilege and why, because there must be proper oversight of our actions. 最后，每年我们会主动向国会报告我们何时行使了这项特权并说明原因，因为对我们的行为必须要有适当的监督。
