Although producer prices rose at an unexpectedly steep rate in September, analysts said that the increase resulted mostly from temporary factors and not necessarily foreshadowing that there would be a resurgence of inflation.
factors and not necessarily foreshadowing that there would be
factors and not necessarily that it foreshadowed
factors and did not necessarily foreshadow
factors, while not necessarily a foreshadowing of
factors, while it did not necessarily foreshadow that there would be
前后句是并列的意思而不是转折,排除de
a不平行,b缺少动词
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