91513zhang:oneobviousreasonisthattheretiredworkersoncedevotedtheirlifetotheout-of-dateindustrywhichcannotsurviveinnowadays'modernworldsinceitisknowntoallthattherecentprevailingindustryisenvironmental-friendlyandhigh-techones.
求本句讲解:
out-of-date:adj老式的,过时的,落伍的
survive:v幸存;幸免于难;挺过;艰难度过
prevailing:adj1.占优势的;主要的2.普遍的;盛行的;流行的3.(指风)一地区常刮的,盛行的
high-tech:n高科技