论点：communal online encyclopedia缺乏可信度

结果：提供信息有误不准确

对比：traditional encyclopedia, 由专家编写，符合学术标准

论点：Contributors to the knowledge on the internet often lack academic credentials.

解释：Without strict inspection system, anybody on the information highway could pubilsh his or her ideas easily,

结果：thereby making these “contributions” partially informed at best and downright inaccurate in many cases.

对比：In contrast, books are written by experts who adhere to certain standards that non-specialists cannot achieve.

论点：online encyclopedia信息容易被篡改

结果：使用者无法识别

对比：traditional encyclopedia,不会发生

论点：Even if the information on the internet is correct, they are vulnerable to illegal modification.

解释：The communal nature of online knowledge gives unscrupulous users and vandals or hackers the opportunity to fabricate, delete and corrurt information online.

结果：Once the changes have been made on the original text, an unsuspecting user cannot tell the information has been tampered with.

终结果：This may have adverse impact when people are doing research with the help of reference on the internet.