same: may imply that the things under consideration are one thing OR, although distinct, have no appreciable difference: we took the same ~ on the ~ day.   appreciable明显的applies to what is distinctly discernible or measurable能清楚明显的观察测量，如an appreciable increase in temperature气温明显上升


selfsame: always implies that the things under consideration are one thing and not two or more things: it was the ~ ring I had lost years ago.     如you find yourself worshipped by the self-same people who beat you up at school你发现现在崇拜你的人恰恰是之前在学校里痛打你的同一群人


very: like selfsame, implies identity: you're the ~ person I've been looking for.     identity 1、个性特征characteristics that distinguish people from others 2、身份imeans who a person is，这里表示身份


identical: may imply self-sameness OR suggest absolute agreement in all details: their test answers were ~(不是同一份答案，但完全一致)    又如this is the identical room we stayed in last year这就是我们去年住的那个房间（表示同一个）；如identical twin同卵双胞胎(来自同一个卵子)


equivalent: implies amounting to the same thing in worth or significance: two houses of ~ market value.          amount to接近near the same，如the confessions were obtained by what amounts to torture这些供状是用近乎逼供的方式得来的


equal: implies correspondence in value, magnitude, or some specified quality and therefore equivalence: divided it into ~ shares.   correspond匹配互补呼应


same相同: 表示是同一事物，或无差别，selfsame同一个: 永远表示同一事物，very同一个: 同上，指身份相同，identical: 指同一事物或完全一致，equivalent等价: 指价值重要性近乎相同，equal相等: 这里也表示等价等效


记忆方法: 1）首字母SSVIEE分解成SEE看+词根VIS看，即看两遍<==都相同             "同"是会意字，从冃从口，1、原义是"聚集、一起"，如会同合同共同同乘同乐同居同甘苦  2、引申为"一样"即相同，如同义词同名共同等同同一个世界

         2）相同的意思是没有差异mean not different or not differing from one another or others.