Though a floodwall was built in the 1960s, Londoners still must be prepared for the possible disaster.
尽管于20世纪60年代修建了防洪堤，伦敦人仍然需要为可能发生的灾难做好准备。
2
A master plan that is expected to cost tens of billions of dollars envisions a giant wall of levees and flood walls along the coast.
他们设想过一个可能耗资数百亿美元的宏大计划：沿着海岸修建巨大的堤坝和防洪墙。
3
The classic Grameen model began to fray in the 1990s and hit a wall in 1998, when a devastating flood pushed up losses and people began missing weekly payment meetings.