With a development concept of "Great Tourism, " Beijing is making itself a world-class tourism city.

随着‘大旅游’概念的形成，北京正在向着世界级旅游城市迈进。

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Case studies of children who are isolated from others reveal that they lack a firm self-concept, and their mental and psychological development is severely hindered by lack of language.

对孤立儿童的个案研究表明，他们缺乏坚定的自我概念，而其语言能力的缺乏严重阻碍了他们的智力和心理发展。

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Semantics aside, many people find the concept of should a much more natural development driver than the concept of testing.

除了语义，很多人还发现，与测试概念相比，应该这个概念是一种更自然的开发驱动因素。

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It is a concept development from Garmin's automotive OEM group, providing further research for enhanced reduction in driver distraction.

ENGADGET: Garmin multi-sensor controller concept replaces touchscreen interface with in-console dial rig

Agile development has a useful concept called a spike: a small experiment done to prove something a developer has never done before to understand the full scope of a certain type of feature.

FORBES: The 5 essentials of 21st. Century Entrepreneurship

Liberal Democrat Lord Greaves tabled an amendment which would have forced the bill to include a more stringent commitment to promoting sustainable development, with a stricter definition of the concept.

BBC: Democracy Live site links