Second, it's important to have the adequate ventilation in the house.

第二，在房子里有充分的通风是非常重要的。

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When designing the house, the toilet must be equipped with ventilation equipment.

装修时，卫生间一定要留有风道。

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When designing the house, the toilet must be equipped with ventilation equipment.

装修时，卫生间一定要留有风道。

youdao