Public security work in colleges turn to be the guarantee for maintaining stability and safety as well as normal teaching and research, which is also a task with difficulty and policy.

高校安全保卫工作对维护高校稳定和安全、保证高校正常教育教学和科研秩序具有重要作用，是一项政策性强而工作难度大的工作。

youdao

youdao

The IHR define the rights and obligations of countries to report public health events, and establish a number of procedures that WHO must follow in its work to uphold global public health security.

《国际卫生条例》明确了各国报告公共卫生事件的权利和义务，确定了世卫组织在维护全球公共卫生安全工作中必须遵循的若干程序。

youdao

The Petersons want us to work together to improve public education, strengthen their retirement security, modernize Medicare and strengthen and modernize our national defenses.

CNN: President Bush speaks on tax cut bill passage

However, Big Brother Watch says some public bodies may be sidestepping that restriction by sub-contracting the work to private security companies.

BBC: Public bodies 'spending millions to snoop'

Over the next few months, eligible individuals who do not present a risk to national security or public safety will be able to request temporary relief from deportation proceedings and apply for work authorization.

WHITEHOUSE: President Obama Speaks on Department of Homeland Security Immigration Announcement | The White House