The researchers offer two hypotheses for this rise in grumpiness.
研究人员就这种暴躁情绪的产生给出了两种假设。
Jessica Alexander of the Sleep Council said women's grumpiness may be worsened because they shoulder most of the household chores in the morning.
睡眠研究会的杰西卡·亚历山大说，由于女性早上得做很多家务活，所以她们的“下床气”更为严重。
Jessica Alexander of the Sleep Council said womens grumpiness may be worsened because they shoulder most of the household chores in the morning.
睡眠研究会的杰西卡·亚历山大说，由于女性早上得做很多家务活，所以她们的“下床气”更为严重。
Serbia's civil servants must get over their grumpiness, answer queries with a smile and stop wearing shorts to work, according to a new code of conduct that came into force this month.
塞尔维亚本月实施的一项新的行为规范要求公务员收起不得体行为，回答公众质询时要面带微笑，而且不得穿短裤上班。
Different people thought that it was a sign either of indifference, frustration, or grumpiness.
不同的人会认为它代表冷漠、失望或生气。
Different people thought that it was a sign either of indifference, frustration, or grumpiness.
不同的人会认为它代表冷漠、失望或生气。
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