It can be hard to identify which parcels are carrying crucial items such as Social Security checks, but USPS and UPS try their best to prioritize sensitive material.

虽然很难辨别哪些包裹里装的是社会保障支票等重要物品，但美国邮政（USPS）和联合包裹服务公司（UPS）会尽其所能优先处理敏感材料。

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They become entwined with their contractors, handing over sensitive material and inviting contractors to work alongside their own staff.

他们被承包商困住，将敏感的材料转交给他们，邀请他们与自己的员工一起工作。

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He pointed to an ABC News story on a young soldier who has been charged with leaking sensitive material to Assange.

他指出，美国广播公司新闻网一篇报道称，一个年轻士兵已被指控泄露了敏感材料给亚桑杰。

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It aims to allow sensitive material to be examined as evidence in civil proceedings, without that material being made available to the general public.

BBC: Justice and Security Bill part two

In recent weeks, the task force has been looking at Iraq war documents the Pentagon believes were given to the controversial website by PFC Bradley Manning, who has been charged with giving sensitive material to WikiLeaks.

WSJ: Pentagon Vets Iraq Documents WikiLeaks May Post

Reid's shoes allegedly contained several bomb-related materials including the explosive PETN, plastic chemicals to gel and mold the explosives and TATP, a highly sensitive material needed to detonate the shoe bombs, sources told CNN.

CNN: Judge denies bail to accused shoe bomber