estimate: implies a judgment, considered or casual, that precedes or takes the place of actual measuring or counting or testing out: ~d that there were a hundred people there.


appraise: commonly implies the fixing by an expert of the monetary worth of a thing, but it may be used of any intent to give a critical judgment: a real estate agent ~d the house.


evaluate: suggests an attempt to determine either the relative or intrinsic worth of something in terms other than monetary: instructors will ~ all students' work.     (relative or intrinsic定量或定性)


value: comes close to appraise but does not imply expertness of judgment: a watercolor ~d by the donator at $500.


rate: adds to estimate the notion of placing a thing in a scale of value: an actress who is ~d highly by her peers.   (如5星或4星，信用A或B)


assess: implies a rendering of a critical appraisal for the purpose of assigning a taxable value or for understanding or interpreting or as a guide to action: officials are still trying to ~ the damage.


estimate估计: 即先于或替代实际测量的判断，appraise估价: 专业估价，或任何仔细评估，evaluate评估: 非货币的定量或定性评估，value估价: 和appraise一样是估价，但不表示专业，rate评价评级: 放入等级体系，assess评估: 为了估税，了解情况或行动


记忆方法: 1) 首字母ERA AVE想成年代(era)大道(avenue)，旅游景点<==评价

         2) 评估的意思是判断某物价值或重要程度mean to judge something with respect to its worth or significance.首字母ERA AVE想成年代(era)大道(avenue)，旅游景点<==评价