Liptobiolites occur only in the primary generation and in the early stage of the middle generation.

残植煤类仅出现在初始世代和中期世代的早期阶段。

youdao

There is a competitive streak in this generation of middle-class parents.

这一代中产阶级的父母中有一种竞争的倾向。

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Many first-generation students "struggle to navigate the middle-class culture of higher education, learn the 'rules of the game', and take advantage of college resources," they write.

他们写道，许多第一代大学生“努力摸索高等教育的中产阶级文化，学习 ‘游戏规则’ ，并充分利用大学资源”。

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In the Mubarak era this resulted in an intergenerational compromise on the Guidance Council, which over time slowly tilted toward the priorities of the middle generation.

CNN: STORY HIGHLIGHTS

Even among the middle generation of leaders, Abol Fotoh stood out as relative progressive, his worldview broadened by trips he was able to make out of Egypt as the Arab Medical Union's secretary general (few other senior Brotherhood figure were allowed to travel out of the country).

CNN: STORY HIGHLIGHTS

Above all we cannot tell how the next Middle East generation - caricatured now as the Facebook revolutionaries - will write the story.

BBC: News - Today - The uncertain Arab summer