Everyone hopes that the Jenai will be cleaned up. But when US $ 1 billion to US $ 2.5 billion is spent on an invisible treatment system, which cannot promise immediate results, many citizens may begin to wonder if it is worth the cost.
整治愛河是人人希望的事，但若說為整治愛河而花上四百億甚至二千億，去建一個「看不見」的汙水下水道工程，效果又不是立竿見影，就未必人人認為值得了。