To a culture which has come to take instantaneous communication for granted, as part of the very structure of civilized life, this "time barrier" may have a profound psychological impact.

对于一个将即时通讯视为文明生活结构一部分的文化来说，这种“时间障碍”可能会产生深远的心理影响。

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Most of the research in Computer Science these days is devoted to time efficiency, particularly the theoretical time barrier of NP-Complete problems (like the Traveling Salesman problem).

不过现如今的许多计算机科学研究更加关注时间效率，特别是NP完全问题中的理论时间边界(比如旅行商人问题，这是完全NP中一个重要的问题，译者注)。

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The new work does go further than previous research and suggests that screen time should still be considered a potential barrier to young people's flourishing.

这项新研究确实比之前的研究更进一步，它表明屏幕使用时间仍应被视为年轻人成长的潜在障碍。

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And kids were having a hard time in school just because of the language barrier.

在校的儿童们遇到的困难主要来自于语言沟通障碍。

帮助多文化的家庭 - SpeakingMax英语口语达人

Any attempt to erect a one-time, rigid barrier between thieves and content, he says, is useless, including the current method pushed through by the Japanese consumer electronics companies.

FORBES: Magazine Article

That animal diseases jump the species barrier from time to time is well understood.

ECONOMIST: Bird flu and public health

And to have such a barrier at a time of labor shortages is truly preposterous.

FORBES: Fact And Comment