Ottawa and Washington have to find a delicate balance between the free flow of commerce and legitimate security concerns.

渥太华和华盛顿必须在自由贸易流通和司法安全事务之间找到一个微妙的平衡。

《柯林斯英汉双解大词典》

Still, that is largely a matter of mere nuisance. Much more worrying is that a new balance between liberty and security may have to be struck more broadly, and not just in the United States.

在很大程度上这仍然是一个关于不受欢迎的问题，更加令人发愁的是需要在更广的范围内寻求自由与安全的新平衡，当然不仅仅在美国。

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They want to balance the desire to be on the front edge of access to the Indian market, with the collateral impact of compromising user security.

他们希望平衡在印度电信市场中保持强劲竞争力的需求，及为了进入这个市场而必要的在用户通讯安全性方面的牺牲。

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Defense officials say they are aiming for a balance that will not compromise the security of operations or military networks.

VOA: special.2009.09.14

Bubbling underneath the surface of our political debates the last decade have been serious questions about the balance of security and freedom that have been brushed aside.

FORBES: Rand Paul's Bold Stand for Civil Liberties

In adopting the 10 Constitutional Amendments that make up the Bill of Rights, the Framers sought to balance the power and security of a new Federal Government with a guarantee of our most basic civil liberties.

WHITEHOUSE: Presidential Proclamation -- Bill of Rights Day, 2012

We must accept that harnessing the power of Big Data for greater situational awareness and faster reaction to threats is the foundation of an offensive approach, enabling businesses to manage risk to acceptable levels and ultimately put the balance of control back firmly in the hands of security practitioners.

FORBES: It's Time For The Security Industry To Step Up And Play Offense