First of all, it presents the importance of risk assessment on the electric power communication system due to the system's important role and safety need.

首先，阐述了通信系统在电力生产中的重要地位和安全需求，因此对其进行风险评估是很有必要的。

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Since the aviation safety need dynamic management, the construction and application of the aviation safety risk management mode based on the problem management is very useful.

航空安全需要动态管理，因此构建并实施基于问题管理的航空安全风险管理模式就非常有意义。

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"It was so expensive to clean up after this crisis, we need more safety - even if it makes loans a little more expensive."

VOA: standard.2010.03.16

Safety experts say the new complaints underscore the need for tougher safety standards.

VOA: standard.2010.03.04

He says they have been given what they need to know to ensure the safety of airplanes and marine vessels in the region of the planned launch.

VOA: standard.2009.03.12

For the best nuclear safety you need not just good planning and good engineering.

ECONOMIST: Japan's hydra-headed disaster

Adults still need to be concerned about kid and teen safety but we need to take an approach that respects kids (especially as they start to mature) and recognizes that most kids have better judgement than we give them credit for.

FORBES: Busting Myths About Online Safety

Social safety networks also need to be strengthened, certainly during the Crisis period, and perhaps also on a longer-term basis.

CNN: REFORM IS CRUCIAL