In Nigeria, unavailability of cutting-edge technology does not discourage entrepreneurs in the search for innovative housing solutions.

利亚，尽管缺少尖端技术，但这并没有妨碍企业家们寻找创新的建筑方法。

The lack and unavailability of water undermine progress on all major global issues, including health and food security, education, industry, efforts to mitigate natural disasters, and peace in the world.

水的缺乏和不可得性阻碍了全球所有主要问题的进展，包括健康和食品安全、教育、工业、减轻自然灾害以及世界和平等问题。