Farmers use ditches for draining water.

农夫利用沟渠来排水。

And that's just like water when it goes down the drain when we're draining water.

就像我们在排水时，水会流进下水道。

But the geopolitical consequences of constructing the need and draining the water inside should bear some dire mention.

但是，建造需求和排出内部的水所带来的地缘政治后果应该有所预警，会很可怕。