“这是个坏兆头。”波莉姨妈严肃地说。

"It's a bad sign," said Aunt Polly, gravely.

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Discovery或许将成为另一波冲击西方医疗保健行业(及其他高级服务业)领导地位的先兆。

Discovery may be a harbinger of another wave which challenges the West's lead in health care and other sophisticated services.

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波文博士的研究小组已能利用标准LED在约两米内以最高每秒130兆位的速度传输数据。

Dr Povey's group is already up to 130 megabits a second over a distance of about two metres, using standard LEDs.

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