Managing new forms of data often presents new challenges.

管理新的数据形式常常要面对新的挑战。

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But he cautioned that the technology presents new challenges.

但是他警告说，这技术会带来新的挑战。

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The global population is living longer, and getting older, which presents new challenges.

全球人口正呈现出更长寿和老龄化的新挑战。

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Yes, the Internet represents and presents new challenges, but to resolve them we don't need to start from scratch.

WHITEHOUSE: VP's Remarks to London Cyberspace Conference

For Dodd, each day presents new challenges, but he says he still hopes his project will inspire those who are out of work.

FORBES: Magazine Article

Emmy and Telewest award-winning set designer Eve Stewart understands this and indicated that filming in high-def presents new challenges with the likes that have not been seen since the advent of color television.

ENGADGET: High-def presenting new challenges to set designers HD