<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.kwa kuzingatia gharama ya miji iliyo na mafuriko ya pwani, wanasayansi wa tume ya ulaya wanapendekeza kwamba itaokoa pesa kwa muda mrefu kujenga maboresho ya bahari karibu 70 ya mwambao wa pwani.  <response>: given the costs of flooded coastal cities, the european commission scientists suggest that it would save money in the long run to build improved sea defences around 70 percent of the continents coastline. 