警方正在全力以赴，与此同时软件公司也在加强安全保障。
The police are doing what they can, and software companies keep on tightening security.
这种 “附加工人效应” 可以加强失业保险或残疾保险提供的安全保障，帮助家庭渡过难关。
This "added-worker effect" could support the safety net offered by unemployment insurance or disability insurance to help families weather bad times.
每一个美国人都如我一样对马伦上将在所有这些成果中发挥的作用心怀感激，这些成果将在未来几十年中加强我国的安全保障。
And every American can be grateful to Admiral Mullen — as am I — for his critical role in each of these achievements, which will enhance our national security for decades to come.
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