if they set the a/c thermostat at a number related to the outside temperature, say n - 5, or n - 6 C, then perhaps the malls in singapore would not be the freezing caverns they currently are and the energy bill would be smaller and we would not be contributing so much to the greenhouse gas total and most importantly, the hapless public would not need to be subjected to climate extremes simply because they want to go for a real-time shopping trip as opposed to an online one.
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