We build a local role hierarchy view for each user during the runtime to improve the speed of checking user privileges.

同时通过在运行时为每个用户在内存中建立一个局部角色层次视图提高了系统的权限检查效率。

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We should play an active role in politics, both at the national and local level.

我们应该在国家和地方层面的政治生活中扮演积极主动的角色。

《柯林斯英汉双解大词典》

Depending on which role you choose, you could help to increase a community's access to safe drinking water, or help to protect valuable local cultures.

根据你所选择的角色，你可以帮助增加一个社区获得安全饮用水的机会，或者帮助保护当地宝贵的文化。

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Though funding from the IMF,the World Bank, the United States and other donors has made it possible to subsidize treatment and prevention methods in Africa, Dr.Rwagacondo says that local governments also have a key role to play in mobilizing their populations and eradicating malaria in the long term.

VOA: standard.2009.04.25

"I don't see myself having a local government role, " he said.

BBC: Jailed peer Hanningfield's prison reform hopes

They also need local or national role models.

BBC: Stirling study says South Asians prefer group exercise

Speaking on behalf of the Liberal Democrats, Eluned Parrott asked the government to ensure its business rates review addresses the role local authorities have in collecting and retaining business rates and the possibility of extending business rates relief to more community facilities.

BBC: Conservatives' debate on business rates