And even if there are no dramatic geopolitical events, continuing to increase production to meet the world's growing demand is a daunting challenge.

而且即使没有这样戏剧性的动乱事件，继续靠增加产量来满足原油需求的急剧增长也是一个令人畏惧的挑战。

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In previous FSO link tests without AOptix terminals, NuCrypt experienced dramatic power fades due to turbulence and pointing errors, representing a significant, if not impossible, challenge.

在以前未采用AOptix终端的自由空间光学测试中，NuCrypt公司演示了由于湍流和瞄准误差出现了戏剧性的动力减弱，这也体现了这一重大挑战。

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Dramatic declines in fertility rates in some countries and high rates in others pose a critical challenge.

有的国家生育率骤降，而有的国家生育率却居高不下，两种局面并存，人类面临着严峻的考验。

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"We have never handled a more important, dramatic and emotionally compelling challenge, " he said in a statement.

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And restoring health in the housing market after its dramatic collapse remains a difficult challenge.

WHITEHOUSE: Press Briefing

This long-standing challenge for customers is aggravated by dramatic increases in cost and complexity amid a rising tide of sophisticated, data-intensive workloads in an increasingly interconnected world.

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