The heating and cooling systems, including the four geothermal wells, for example, cost about $100, 000 (an amount reduced somewhat by a federal tax credit and a state rebate).
保暖和冷气系统，包括四面发热墙，花费10000美金（已扣除联邦退税和当地州的退税）。
The heating and cooling systems, including the four geothermal wells, for example, cost about $100, 000 (an amount reduced somewhat by a federal tax credit and a state rebate).
保暖和冷气系统，包括四面发热墙，花费10000美金（已扣除联邦退税和当地州的退税）。
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