但知道是一回事,对行为有没有影响是另外一回事。
他说:“有些媒体在说,中国开发了水电,上游开发水电对下游国家有没有影响啊?”生态环境会不会遭到破坏?
He says there have been media reports that China's upstream hydropower development is having a negative impact on downstream countries, especially environmentally.
这些影响仍然远远小于近期的粮食价格上涨,但它们究竟对穷人有没有影响,如果有是对穷人有益呢还是有害?
These effects are still much smaller than recent food-price spikes, but would they, on balance, help or hurt the poor?
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