我们所做的这些事情帮助促进了我们的长期安全。
We do these things because they help promote our long-term security.
减少这些感染的传播将是实现卫生保健中增强的长期安全的一个至关重要步骤。
Reducing the spread of these infections will be a critical step towards enhanced and long term safety in health care.
而中国正在寻找战略资源交易，来为其庞大人口的长期安全提供保障。
China is on the hunt for strategic resource deals to provide for the long-term security of its huge population.
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