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.

　　結(jié)構(gòu)分析：句子主干是The trouble is that…is due to…, and so is not…the trouble is that…是表語從句結(jié)構(gòu)。后一個(gè)that引導(dǎo)的是修飾rebound的定語從句。

　　譯文：?jiǎn)栴}在于，近期的增長(zhǎng)在一定程度上，是由于商業(yè)運(yùn)作周期漲落的結(jié)果。因此，還不能得出經(jīng)濟(jì)已經(jīng)呈現(xiàn)復(fù)蘇態(tài)勢(shì)這一結(jié)論。