The trouble is that part of the recent acceleration is due to the usual rebound that occurs at this point in a business cycle, and so is not conclusive evidence of a revival in the underlying trend.
参考答案：
要点：句子框架：The trouble is that…is due to …, and so is not …。要注意：有套和从句。the trouble is that…是表语从句结构。后一个that引导的是修饰rebound的定语从句。
译文：问题在于，近期的增长一定程度上是因为商业运作周期涨落的结果，因此还不能得出经济已经呈现复苏态势这一结论。
