【英语翻译原文：Howmenfirstlearnedtoinventwordsisunknown;inotherwords,theoriginoflanguageisamystery.Allwereallyknowisthatmen,unlikeanimals,somehowinventedcertainsoundstoexpressthoughtsandfeelings,actionsandthings,】

　　英语翻译

　　原文：Howmenfirstlearnedtoinventwordsisunknown;inotherwords,theoriginoflanguageisamystery.Allwereallyknowisthatmen,unlikeanimals,somehowinventedcertainsoundstoexpressthoughtsandfeelings,actionsandthings,sothattheycouldcommunicatewitheachother;andthatlatertheyagreeduponcertainsigns,calledletters,whichcouldbecombinedtorepresentthosesounds,andwhichcouldbewrittendown.Thesesounds,whetherspoken,orwritteninletterswecallwords.Thepowerofwords,then,liesintheirassociations—thethingstheybringupbeforeourminds.

　　翻译这个句子就好：Howmenfirstlearnedtoinventwordsisunknown;inotherwords,theoriginoflanguageisamystery.