对泡沫的识别大致可以分为两类途径：一类是从股价的整体长期变动趋势来确定泡沫；
We can recognize these bubbles by two means: the first one is to ascertain bubbles according to the long-term trend of changes of stock prices;
现有的经济理论倾向于支持乐观派，理性消费者会依据财富变动而对他们长期支出进行调整，而不是悠闲自在的去面对。
Economic theory tends to support the optimists. Rational consumers should adjust their long-term spending in response to changes in their wealth, not the ease with which they can tap it.
销售回报与第三财季CSP的变动呈显著正相关，这说明CSP得到改善时，长期收益或许也可出现。
Return on sales was significantly positively related to change in CSP for the third financial period, indicating that long-term financial benefits may exist when CSP is improved.
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