1·The fault uplift zone was a drainage divide within the fault depression, developing fluvial-delta systems on its two sides.
断陷内部的断隆带起到分水岭的作用，两侧分别发育河流-三角洲体系。
2·If you are trying to manage it, you must first divide your area of concern into drainage basins.
如果你想要操控水，你必须先把那些你所关注的地区划分成一个个地势上的盆地。