The environment threat crosses over the boundaries of the region, nation, and race, constitutes the most typical global problem.

环境威胁跨越地区、国家、民族的界线，构成了一个最典型的全球性问题。

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This could pose a threat to the environment.

这会对环境造成威胁。

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Many believe the population is no longer a major threat to China's resources and environment.

很多人相信，对于中国资源环境来讲，人口已不再是主要威胁。

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"We have safeguarded them from the terrestrial threat of all the bad influences in their environment.

VOA: standard.2009.12.20

"One of the changes in the threat environment has been what is going on in Mexico,".

VOA: standard.2009.03.24

Through implementation of the BTB Action Plan, the United States and Canada will address threats at the earliest possible point by enhancing our common understanding of the shared threat environment through joint, integrated threat assessments, and by improving our intelligence and national security information sharing.

WHITEHOUSE: The White House

Changes in the global threat environment allowed subsequent Administrations to make adjustments to the two-and-a-half-war standard.

CENTERFORSECURITYPOLICY: Center for Security Policy | The Measure of a Superpower: A Two Major Regional Contingency Military for the 21st Century | Page: 2

"As a result, we judge that the United States currently is in a heightened threat environment, " the summary said.

CNN: Report: Al Qaeda may use Iraq operatives to attack U.S.