For the people in the middle group, I think the big danger is not knowing what to do next.

我认为这些人最大的危险就是不知道下一步该干什么。

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A middle group of 15,000 firms making standardised products that compete mainly on price accounts for 63% of sales and nearly half of employment.

而15000家生产标准化产品的企业主要依靠价格进行竞争，但他们占到销售总量的63%，同时提供了几乎一半的工作机会。

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There is this group of about half a dozen right down the diagonal middle of the periodic chart.

沿着周期表的对角线的中间有大约包含六个元素的元素组。

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Alabama is known as the Heart of Dixie because it is in the very middle of a group of states in the Deep South.

VOA: special.2009.08.02

By combining elements as it were of the few and the many polity is characterized by the dominance of the middle class the middle group.

透过结合一些元素,就像前人所为，结合少数人与多数人,政体的特征便转为是,由中间阶级，中间团体所统治。

耶鲁公开课 - 政治哲学导论课程节选

And then there is this group of about half a dozen right down the diagonal middle.

然后有一个包含六个元素的元素组,在周期表的对角线的中部。

麻省理工公开课 - 固态化学导论课程节选

The middle group with some college education lost far fewer jobs during the recession and those losses reversed almost completely by early 2012.

FORBES: New Job Loss Study: The Less Educated Are The Hardest Hit

Much rent-seeking is redistributing the surplus of one group of the middle class to another group of the middle class via the government.

FORBES: What Is Rent-Seeking Behavior?

The two remaining bids come from a UK-based businessman and a Middle Eastern group.

BBC: Court gives Sheffield Wednesday time to clear tax bill