The idea that family is the traditional unit of society is challenged by American youth who are increasingly turning down marriage.

家庭是社会的传统组成部分，而美国青年越来越拒绝婚姻，使这种观念受到了挑战。

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Great care had to be taken with the control systems for a powered trailer because, when turning, it can push the tractor unit over.

在拖车运行时必须谨慎地操纵控制系统，否则牵引机就会被推倒。

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The idea that the family is the traditional unit of society is challenged by American youth who are increasingly turning down marriage.

家庭是社会的传统组成成分，而美国青年越来越拒绝婚姻，使这种观念受到了挑战。

youdao

From here, steam is redistributed to other apartments that need it, rather than turning your unit into a sauna.

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McCurdy, who was president of the intellectual-property business unit at Lucent and responsible for turning that company's intellectual property into more than half a billion dollars a year in revenue.

FORBES: Managing your knowledge

This, in the end, may be the reason Google is letting go (and could also signal that Cisco will soon sell its own TV set top box unit) as Asian competitors may be turning set top boxes into commodities.

FORBES: Selling Motorola's TV Group: a Strategic Mistake for Google?