Another factor to consider is whether retirement is voluntary or not.

“是否自愿退休”是另一个需要考虑的因素。

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Mandatory testing is different from voluntary testing because the mother has no choice over whether she gets tested or not.

强制检测与自愿检测不同，因为母亲没有选择检测或不检测的权利。

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These quasi-voluntary efforts may or may not reassure those calling for more dramatic intervention.

这些准自发的努力并不能完全保证不会招致更大规模干预。

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This so-called Distributed Denial of Service (DDoS) attack relies on having enough users, voluntary or not, to flood a site with so much traffic that it gets shunted offline.

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The goal of free trade or voluntary exchange is not to create jobs but to create wealth.

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Bottom line: As the rate of childlessness equalizes the decision to have or not have children becomes more of a voluntary one.

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