整个流域的治理不能只靠上游城市单独承担。Zhěngge liúyù de zhìlǐ bù néng zhǐ kào shàngyóu chéngshì dāndú chéngdān.The management of the whole river basin cannot be borne by upstream cities alone.
长江流域气候温暖,雨水充足,适合种水稻。Chángjiāng liúyù qìhòu wēnnuǎn, yǔshuǐ chōngzú, shìhé zhòng shuǐdào.The Yangtze basin has a warm climate and plenty of rain, which suits growing rice.
这条河的流域很广,沿岸有许多城市和农田。Zhè tiáo hé de liúyù hěn guǎng, yán'àn yǒu xǔduō chéngshì hé nóngtián.This river has a very wide basin, with many cities and farmlands along its banks.