He must contemplate the particular in terms of the general, and touch abstract and concrete in the some flight of thought.

他必须同时接触具体和抽象的现象，并根据这些形成自己的真知灼见。

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The costs continued to rankle with those who thought manned space flight a waste of money, and three decades spent stuck in low-Earth orbit never stopped frustrating those who wanted to go farther.

对那些把载人航天看成虚掷钱财的人来说，航天飞机的成本始终令他们心痛；而对那些梦想着远航的人来说，在近地轨道上浪费的三十年时间令他们心寒。

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Mr. Zhu said he contemplated making a long black flight home, then thought better of it. “I was afraid they’d revoke my license if they caught me, ” he said.

朱说，他考虑长期经营黑飞之家，后来就改变了主意，“我怕如果他们抓到我会吊销我的营业执照”。

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CWA, a flight attendants' union, found that 63% of those polled thought the ban on in-flight calling should be maintained.

ECONOMIST: The use of mobile phones on planes moves another step closer

When his first flight was delayed, Drake thought he would miss his connecting flight to Lubbock, the last one of the day.

CNN: United Airlines delays flight for man to see dying mother

In Shanksville, Pennsylvania, where mourners gathered to remember the passengers and crew of United Airlines Flight 93, Deena Burnett remembered her husband, Tom -- one of the passengers thought to have fought with the hijackers before the plane crashed in a field.

CNN: Relatives recite poems, give tribute, try to heal