这栋房子没有中央供暖，所以冬天很冷。

The house had no ___central ___heating, so it was freezing in winter.

这家餐厅配备有中央供暖和空调。

The restaurant is equipped with ___central ___heating and air conditioning.

在现代建筑中，中央供暖对于冬季的舒适至关重要。

In modern buildings, ___central ___heating is essential for comfort during winter.