Children experiencing these disorders find it difficult to screen out unimportant information, and focus on everything in the environment rather than attending to a single activity.

患有这些疾病的儿童会感到过滤掉不重要的信息很难，他们专注于环境中的一切，而不仅仅是某一项活动。

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Agriculture takes place in nature, among ecosystems of interacting organisms and activity, and crop production takes place within that ecosystem environment.

农业是在大自然中进行的；大自然里的生态系统中各种生物和活动相互影响，而粮食的生产正是处在这样的生态环境中。

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In recent years,coral diseases, storms and other activity in the environment have reduced staghorn coral populations.

VOA: special.2010.08.10

There's a group of people in the United States and elsewhere who studied something called the Built Environment- how the environment is built affects how much physical activity we get.

在美国以及其他地区有这样一群人,进行着被称为环境构建的研究,研究环境的构建是怎样影响我们的活动量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

However, their biological relatives in Mexico would presumably have that same risk, but it would never be manifested if they're not exposed to what some have called a toxic food and physical activity environment.

而且,他们远在墨西哥的血缘亲属,可能也面临同样风险,但他们面临着所谓的有毒食物和活动环境,这个说法就不会得到证实

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Improved security and a more stable political environment mean economic activity has "picked up" on the back of increased oil production and exports.

BBC: Iraq economy 'on track' says IMF

The report, Nurturing Nature highlighted the importance of the natural environment to economic activity - that ecological processes deliver the resources needed for economic progress - but 11 of 15 of the most important UK habitats are declining.

BBC: Jobs or birds: Turning Rio rhetoric into reality

The majority of the decline was from weaker results in Credit Products and Securitized Products, which reflected a difficult market environment and limited client activity.

FORBES: Citi Shares Could Swirl Down The Drain As Fixed-Income Revenue Withers