If you read only from the beginning to the end of the paper, you may overlook typos. Also, as you discover spelling errors, keep track of those.

• 假如你只是把文章从头读到尾,就有可能忽略一些印刷错误。还有就是,只要你发现了拼写错误,那就要把所有同样的错误全找出来。