The government is planning to invest billions in a system of canals, pipelines and aqueducts to divert water from the soggy south to the parched north.
政府正在计划投资几十亿建一个由水渠、水管和高架水道构成的系统，将水从潮湿的南方转调到干旱的北方。
2
As towns gradually expanded, water was brought from increasingly remote sources, leading to sophisticated engineering efforts such as dams and aqueducts.
随着城镇的逐渐扩大，水资源要从越来越远的地方获得，这就需要建造如水坝和引水渠这样复杂的工程。
3
Dams, aqueducts and other kinds of infrastructure will still have to be built, particularly in developing countries where basic human needs have not been met.