Now communities have a strong shared interest to perform this work along the exterior boundary of the community because it reduces the chance that fire will penetrate deeply into the city, as it did in Santa Rosa.

现在各个社区都有强烈的兴趣沿着社区的外部边界进行这项工作，因为它减少了大火深入城市的概率，就像在圣罗莎那样。