英译汉：Developmentofexchangesthataggregatetheinformationharvestedbybotsinordertoreducetransactioncostsandeliminateconcernsoffraud;and
她有能力做这项工作。(ability)
Nothingcan__________beingunkindtochildren.
必要的;基本的adj.要素，要点n.e_______________
Einstein’snewtheoryonopticschanged__________scientificideaaboutlight.
英译汉：Developmentofexchangesthataggregatetheinformationharvestedbybotsinordertoreducetransactioncostsandeliminateconcernsoffraud;and
