一项新的研究报告指出答案可能在卵巢。
上周教育署公布的一份研究报告指出只有加强论据。
They say a study released last week by the Education Department only strengthen their arguments.
一份2002研究报告指出，69%的意大利企业主管对这一法规表示欢迎。
A 2002 study found that 69% of Italian bosses were happy enough with this arrangement.
研究报告还指出缺乏睡眠也让很多人无法履行自己的工作和家庭责任。
Lack of sleep also keeps many people from work and family functions, the report said.
研究报告还指出缺乏睡眠也让很多人无法履行自己的工作和家庭责任。
Lack of sleep also keeps many people from work and family functions, the report said.
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