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.

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 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

He began by studying the lives and activities of poor people in small villages.

VOA: special.2010.06.16

Later,employers and schools began to offer structured activities.

VOA: special.2010.04.30

Additionally, this restructuring helps us reduce costs and streamline the organization as a continuation of the activities we began earlier this year.

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Tenacious, pragmatic and determined, Ms Gordillo began her union activities in the state of Mexico in the early 1970s, eventually becoming the protege of local union leader, Carlos Jonguitud Barrios.

BBC: 'La Maestra' of Mexico faces her biggest challenge

Reijtenbagh's investment activities started in 1985 when he began running the Plaza Group, his family-held investment firm with offices in Belgium, Monaco and Luxembourg.

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