1. Autarky has never been voluntary Chinese policy under socialism but rather an externally imposed sanction of the Cold War. 自给自足从来没有自愿中国社会主义条件下的政策，而是外部强加的制裁是冷战。
2. Participation should be voluntary. Any group debriefings should be with people who shared your experiences. 群体伤痛恢复训练应和那些愿意与你分担你的经历的人们一起进行。
3. Since its introduction in agriculture in 1962, paraquat (PQ) used as desiccant and defoliant has caused thousands of deaths in humans from both accidental and voluntary exposure. 自1962年百草枯作为干燥剂和落叶剂广泛应用于农业生产，致每年成千上万的人死于百草枯中毒。
4. Downshifting — also known in America as "voluntary simplicity" — has, ironically, even bred a new area of what might be termed anti-consumerism. 颇具讽刺意义的是，追求比较悠闲的生活——在美国还被称为“自愿简朴”——竟然孕育了一个全新的领域，或许可被定名为“反消费主义”。
5. Voluntary means without any element of force, fraud, deceit, duress, or coercion. 事先的说明中不可以有任何逼迫，作假，欺骗，威胁，强制。
