But there is a heavy price to pay. 但这要付出沉重代价

46. To provide food for local populations.
    为当地人提供粮食
47. The fields' circular shape...
    管子围绕一个中心轴灌溉耕地
48. Derives from the pipes that irrigate them around a central pivot.
    耕地就围绕这些管子形成圆形
49. But there is a heavy price to pay.
    但这要付出沉重代价
50. Fossil water is a nonrenewable resource.
    原生水是不可再生资源
51. In saudi arabia,
    在沙特阿♥拉♥伯
52. the dream of industrial farming in the desert has faded.
    在沙漠中进行工业化农业的梦想破灭了

来自《家园 第二部分 Home Part2》第 49 行