Having good natural ventilation is the least expensive way to cool a home.
具有良好的自然通风是最昂贵的方式来冷却一个家。
If housing, planning and proper ventilation smooth, of course, home of peace.
如果住宅通气顺畅，规划恰当，当然家内平安。
Make sure you have effective ventilation throughout your home.
确保家庭有效通风。
Make sure you have effective ventilation throughout your home.
确保家庭有效通风。
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