越来越多的公司正在意识到变革性技术的重要性，它几乎能令一条产品线、甚至是整个业务部门都因过时而被淘汰。
More companies are learning the importance of destructive technologies—innovations that hold the potential to make a product line, or even an entire business segment, virtually outdated.
头上是灰蒙蒙的云天，时而被微风轻拂；因而不时可见缕缕阳光，孤寂地在小径上闪烁跳跃。
Overhead was a grey expanse of cloud, slightly stirred, however, by a breeze; so that a gleam of flickering sunshine might now and then be seen at its solitary play along the path.
巨人，巨怪：斯堪的那维亚民间传说中的超自然的生物，时而被描述成友好的或顽皮的侏儒，时而被描述成巨人，居住在山洞里、小山上或桥下。
A supernatural creature of Scandinavian folklore, variously portrayed as a friendly or mischievous dwarf or as a giant, that lives in caves, in the hills, or under Bridges.
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