求翻译：这不仅促使销量大增，而且一旦在三年内发生房价暂时下降的情况时，客户能够稳定心态静观其变，不会着急闹事。是什么意思？

This not only contributed to increased sales, and within three years, a temporary decline in prices, customers are able to stabilize the mentality of wait and see will not be anxious to make trouble.

This is not only to increase sales, and once in 3 years in temporary housing prices decline in the stability, the customer will be able to watch the same mentality, trouble will not be anxious.

Not only this urges the sales volume to increase, once when moreover has the situation in three years which the house price drops temporarily, the customer can stabilize the point of view to observe calmly it to change, does not will worry to cause trouble.

It not only increased sales, and once in three years when there is a temporary decline in prices, customers have the steady tiller, will not be in a hurry to make trouble.

正在翻译，请等待...