如何使用 "voluntary" 造句

1. Should the iaea 's safety rules stay voluntary ?
iaea安全规则还应保持自愿性质么?
2. It is a voluntary body , which proprietors have left when it offends them .
这是一个自愿的机构,它的所有人在被它得罪后离开了机构。
3. Blood donors are stalwarts of the voluntary sector , and rich countries with advanced medical systems rely on them .
献血者是志愿者群体里的中坚成员,同时被具有先进医疗系统的发达国家所依赖。
4. The santiago principles are voluntary , with no penalties for non-compliance .
《圣地亚哥原则》是自发的,对未履行者没有惩罚。
5. All operate voluntary schemes for promoting women into upper management .
这些公司都采取了提拔女性进入高级管理层的自发计划。