为了更深入了解联邦调查局的要求，我们先要了解苹果的最新手机系列，这与法鲁克的旧型号有着本质的不同：其中包含由美国国家安全局开发并在其后与以色列人共享的新型芯片技术。
For a better understanding of the FBI’s demand, we need to look at Apple’s latest line of phones, which differ from Farook’s in a fundamental respect: They contain a new chip that was designed using a technique developed by the US National Security Agency and then shared with the Israelis.