Je was op zoek naar: 而是整个流域的降雨 (Chinees (Vereenvoudigd) - Engels)

但是，流域里上下游之间必须分享的不仅是根据该公约编纂的目前潺潺流动的河水，而是整个流域的降雨。
what has to be shared between those upstream and those downstream in a river basin, however, is not only the water currently flowing in the river as codified by the convention but also the rainfall over the river basin.

无论于他自身，还是整个玄廷来说
whether to him himself or to the whole profound court