But at about age 15 or so, the men voluntarily began cutting down their nightly sleep time because of pressures from school, work, and other activities.

但在大约15岁左右的时候，由于学校、工作和其他活动的压力，这些男性自愿开始减少夜间睡眠时间。

youdao

But so far, none of the Annex I parties has voluntarily committed to a 40% target.

但到目前为止，还没有一个附件一所列国家主动承诺减排40%。

youdao

DeLuca did not pinpoint whether these students voluntarily started college late, but at the very least, her work indicates that taking a gap year doesn't guarantee success.

尽管迪卢卡没有精确了解这些晚进大学的人是否处于自愿，但她的研究至少可以证明“空档年”不能保证成功。

youdao

The fact is that the population principally targeted by the mandate (those who can afford health insurance but voluntarily choose not to purchase it) plays a minimal role in the cost shifting identified by the government.

FORBES: Obamacare's Fate Lies In Anthony Kennedy's Hands: System Failure

But we voluntarily came forward.

CNN: STORY HIGHLIGHTS

Chevron stopped drilling voluntarily, but only days before the ANP banned them from it anyway.

FORBES: For Brazil Oil Spill, Chevron Gets A Discount