During the housing bubble, this ratio jumped to 4.2.
在房地产泡沫时期，此比值上升到4.2。
2
Property markets have obviously shown signs of a bubble, judged by usual indicators such as the price/income ratio, rental yields and the vacancy ratio.
根据通常的价格收入比，租金收益率与空置率来看，房地产市场很明显的存在泡沫。
3
China has a ridiculously high savings ratio so its residents are well equipped to deal with a moderate bubble.