新加坡公用事业局（PUB）负责人叶庆冠（Yap Kheng Guan）解释说，“我们的水要么太多，要么太少。”

"We have either too much water or too little, " explains Yap Kheng Guan, a director of Singapore's PUB.

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叶兴庆说，尽管国内生产仍是中国最重要的政策，进口已经成为一个日益重要的成分。

Though domestic production is still its most important policy, imports have become an increasingly crucial component, Mr. Ye said.

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