“保守地”的英语？

非常保守地估计, 据德国的早期统计, 有28, 000人被炸死.On a very conservative estimate, according to the early German statistics, 28, 000 persons were killed.保守地修剪你的果树, 除非枝条已经坏死或者损伤.Prune your tree sparingly, unless the wood is dead or damaged...