Sometimes primary group relationships evolve out of secondary group relationships.

有时主要的群体关系从次要的群体关系演变而来。

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One of government's primary duties is the redistribution of income, so that the better off can help the worse off out of poverty.

政府的主要职责之一就是收入的重新分配，这样富裕的人能帮助贫穷的人摆脱贫困。

《柯林斯英汉双解大词典》

I ran down the stairs, out of the school's front doors, and down the street to the primary school.

我跑下楼梯，出了学校的前门，沿着街道来到小学。

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The service is designed to make it easy to clear non-critical messages out of your primary in-box.

FORBES: You've Got A New Mail App: AOL Launches Alto E-Mail Software

He took office in 1998 by edging out a 10-candidate primary field with 23 percent of the vote.

CNN: Death gives Massachusetts 1st open Senate seat in decades

Although participation is increasing at secondary level, the report finds that only 54 percent of secondary school-age youth are enrolled, leaving an estimated 20 million "out-of-school" or still in primary classes.

UNESCO: HIGH DROP OUT AND REPETITION RATES SHOW QUALITY TO BE A CONCERN IN LATIN AMERICAN EDUCATION SYSTEMS