◆Sentence◆Evenfortheprocesstobeconsideredcarbonneutralonlongtimescales,Schlesingernoted,forestmanagerswouldhavetobecertainthatreplacementtreesweregivenenoughtimetostorethesameamountofcarbonthattheirpredecessorscontainedwhentheywereharvested.Especiallyifolder,morecarbon-richforestsareclearedtomakeroomforfaster-growing,easier-to-harvesttrees,thenevenmorecarbonmustbestoredawaytomakeupthedifference.◆句式结构分析◆①Evenfortheprocess/tobeconsideredcarbonneutralonlongtimescales为状语成分；even表强调，译为：即便，即使；该状语成分较长，可汉译为：即使是在较长时间跨度内这一过程被认为是碳中性的……②该句主干为“主系表”结构，即：forestsmanagers/wouldhavetobe/certainthat…；certain之后，that引导宾语从句（表态度的形容词certain的宾语从句）③that宾语从句主干为被动句，即：replacementtrees/weregiven/enoughtimeto…④thattheirpredecessorscontainedwhentheywereharvested为定语从句，修饰限定thesameamountofcarbon⑤especiallyif…trees为条件状语从句；⑥主干为被动句，即：evenmorecarbon/mustbestoredaway;tomakeupthedifference为目标状语。◆词汇分析◆onlongtimescales在长时间内notev.指出storev.存储amountn.数量predecessorn.前任；原先的东西carbon-richadj.富含碳的；碳含量较高的clearv.清理；砍伐fast-growingadj.生长较快的makeroomfor…为……让道；为……腾出空间makeup…组成；弥补◆参考翻译◆即使是在较长时间跨度内这一过程被认为是碳中性的，Schlesinger指出，森林管理者必须确保后来种植的树木有足够的时间生长，这样才能吸收存储与先前被砍伐的树木含有相同量的碳。特别是如果砍掉那些年代更久远且富含碳元素的森林来腾出空间去种植那些生长速度更快、更容易成才的树木，这就需要储存更多的碳来弥补差这种差异。