They also suggested -((((protecting and nursing natural barriers to sea-level rise,like coastal wetlands,and)))) 建议的第一点 保护 和维护自然屏障防止海平面上升,比方.
changing building codes in certain area for things like roof strength and foundation depth in areas that would be hit hardest by storms.
建议的第二点 .改变 某些区域内的建筑元素,比如屋顶的强度 和地基的深度等这些在暴风雨中受摧残最严重的区域.
,SUGGEST DOING 建议 了前后2点,中间用AND.