下列4个选项中属于一般附加险的是（）。
下列属于储值卡的有（）
英译汉：Theimplicationsforbusinessesarevital,sincethisemergingtechnologymaychangehowcompaniesselltheirgoods.Ramificationscompaniesneedtotakestepstoaddressinclude:·Disintermediationofindividualauctionenvironmentsthroughbotsthatallowbuyerstoautomaticallypollmultipleauctionservicesandfixed-pricechannelstogarneradvantageousterms;
名词解释：个体软件过程PSP
必要的;基本的adj.要素，要点n.e_______________
