Sent_en: 2zh Geological studies of the area affected most by erosion, Anambra, have concluded that the cost of implementing a project which could effectively slow erosion are estimated at US$2 billion.
Sent_yy: 对受侵蚀影响最大的地区阿纳姆布拉进行的地质研究得出的结论是，实施一个能够有效减缓侵蚀的项目的费用估计为20亿美元。