要直译,也要意译Several factors can beresponsible for this decline over the last 30 years,including a decline in smoking and stricter fire-resistant standards on mattresses and upholstered furniture.
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要直译,也要意译Several factors can beresponsible for this decline over the last 30 years,including a decline in smoking and stricter fire-resistant standards on mattresses and upholstered furniture.
要直译,也要意译
Several factors can beresponsible for this decline over the last 30 years,including a decline in smoking and stricter fire-resistant standards on mattresses and upholstered furniture.
要直译,也要意译Several factors can beresponsible for this decline over the last 30 years,including a decline in smoking and stricter fire-resistant standards on mattresses and upholstered furniture.
直译：
有几个因素可以负责这一下降在过去的30年,包括减少吸烟和严格的防火标准床垫和软垫家具.
意译：在过去的30年里,有这样几个因素导致了现阶段的下降,包括吸烟的减少、符合严格的防火标准的床垫和软垫家具的使用.
近三十年来,在吸烟人数的下降及在弹簧床垫和软体家俱防火标准的大幅度提高方面,某些因素起了重要作用.
在过去30年里这个（数字）的下降与几方面的因素有关，其中包括吸烟人数的下降，室内家具和床垫子防火标准的提高，