They were no longer a series of small bands but lived in a large community with more elaborate social organization, probably grouped into clans of people of common descent.

他们不再是一些小群体，而是居住在一个大型的社会中，有更加复杂精细的社会组织，可能是以拥有共同的祖先的氏族来划分群体。

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Staying up late, an increasingly common phenomenon, can result in a series of health problems.

熬夜越发成为一种普遍的现象，但它会导致一系列健康问题。

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As you saw in the first article of this series, many common transaction pitfalls can affect transactional behavior and, consequently, diminish your data's integrity and consistency.

如本系列的第一篇文章所述，许多常见的事务陷阱都会影响到事务行为，并且由此会降低数据的完整性和一致性。

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The ten finalists presented their inventions made of common household products then competed in a series of events.

VOA: special.2009.10.15

President Obama reiterates his commitment to do everything in his power to implement a series of common sense measures that would reduce gun violence in America.

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Chart Analysis : In either a bull or bear market, whether you are talking about a stock, ETF, or commodity, it is common to see a series of flag formations.

FORBES: Profit from Flag Formations

In January, the President put forward a series of common-sense proposals to reduce the epidemic of gun violence and keep our kids safe, and in his State of the Union address, the President called on Congress to give these proposals a vote.

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