1. But other farms are less favourably sited, and flooding can sometimes spell disaster for their owners.
    其他农场地势欠佳，洪水有时会给农场主带来灾难。

2. For decades, the government sought to colonize and develop the Amazon, bringing severe environmental disaster to the area and its people.
    几十年来，巴西政府一直在致力于开拓和开发亚马逊雨林，给这个地区及其居民带来了严重的环境灾难。