Technological change causes economic and social upheaval-that's a given.

技术变革引起经济和社会动荡——这是特定的。

Families and communities without the ability to prevent and combat the economic upheaval associated with flooding are those hurt the worst, and are hurt repetitively.

没有能力预防和应对与洪水相关的经济动荡的家庭和社区受到的伤害最严重，而且反复受到伤害。