Arnold Toynbee has said that all progress,all development come from challenge and a consequent response. Without challenge there is no response, no development, no freedom. So first we owe to our children the most demanding, challenging curriculum that is within their capabilities. Michelangelo did not learn to paint by spending his time doodling. Mozart was not an accomplished pianist at the age of eight as the result of spending his days in front of a television set. Like Eve Curie, like Helen Keller, they responded to the challenge of their lives by a disciplined training: and they gained a new freedom.
基于1个网页-相关网页
If No Development 如果没发展
No Development Kits 没有任何开发包
No Development Zones 不开发区
There is no orderly development 无序的开发
Development Has No End 发展没有尽头
The animation library is available out of the box in most controls with little or no development work.
动画库已经准备好了大多数控件需要的东西，基本不需要投入开发精力。
There is no development environment similar to LabVIEW that I know of that you can use with the Create, although you can execute simple scripts.
据我所知，尽管您能够执行简单的脚本文件，但是在Create中并没有类似于LabVIEW的开发环境。
In one crucial respect, the bubble in commercial property was less dangerous than in the residential sector: there was no development boom and hence no oversupply.
一个关键点是，商业房产的泡沫不如住宅板块的泡沫危险：没有开发热，因此也就没有过度供给。
"Be very clear, the issue of climate change is connected to development, it is connected to growth, and no country in the world can accept a freeze on its development,"
VOA: standard.2009.11.27
"The country has no future without a normal democratic development."
VOA: standard.2010.06.10
But this is no reason for complacency. Our figures for 2009 and 2010 will decide whether Europe meets its target of official development of 0.56 percent of gross national income by 2010."
VOA: standard.2009.04.09
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