新加坡公用事业局（PUB）负责人叶庆冠（YapKheng 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.
新加坡公用事业局只在几个关键位置安装了传感器，例如，在水库取水点上安装传感器。
The PUB puts sensors only in a few key spots, for instance where water leaves the reservoirs.
新加坡公用事业局只在几个关键位置安装了传感器，例如，在水库取水点上安装传感器。
The PUB puts sensors only in a few key spots, for instance where water leaves the reservoirs.
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