Some fire chiefs in California say that residents should always be encouraged to evacuate, but Naomi Brown, from the Australasian Fire and Emergency Service Authorities Council, says installing effective early warning systems is the key.

VOA: standard.2009.06.24

Germany was very effective in these-- they had advanced bureaucracy, a good postal service, and they had a network of post offices all over the country-- every little town had a post office.

德国人处理此事非常有效-,他们推进了行政机制和邮政服务，出现了全国范围的邮局网-,每个小镇都有一所邮局。

耶鲁公开课 - 金融市场课程节选