We gather as a group once or twice a year, for old times' sake, and get loaded.

为了过去的时光我们每年都会聚一两次，并喝得大醉。

《柯林斯英汉双解大词典》

Ranking schools is always controversial, and this year a group of 38 superintendents from five states wrote to ask that their schools be excluded from the calculation.

学校排名一直存在争议，今年来自五个州的38名主管写信要求将他们的学校排除在排名范围之外。

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The group had a net profit margin of 30% last year.

该集团去年的净利润空间为30%。

《柯林斯英汉双解大词典》

In that group, twenty-two percent of the wives earned more than their husbands during the most recent year of the study.

VOA: special.2010.02.19

Roger Ibbotson took a look at a larger group of funds -3,500--funds over a ten-year period and found survivorship bias at 2.9% per year and backfill bias at 4.6% per year.

罗杰·伊博森研究了更大的样本组,3500支基金10年间的表现,算出其生存偏差是每年2.9%,回填偏差是每年4.6%

耶鲁公开课 - 金融市场课程节选

That means that a group of people who were identified and then re-measured every other year on -to getting blood tests and other biological markers, as well as doing assessments of their lifestyle behaviors and a number of other things.

就是说有一群特定的人,然后每隔几年,就要接受血液及其他生物学测试,还要对他们的生活方式等进行评估

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选