He corrected errors in grammar and spelling when he edited the manuscript.
修订原稿时，他改正文法和拼写方面的错误。
The frequency of errors in grammar and punctuation has become a serious concern, the State Examination Commission said in a report after reviewing last year's exam performance by 15-year-olds.
爱尔兰国家考试委员会在针对去年15岁学生考试成绩的评论报告中称，语法和标点错误频频出现，已成为一个严重的问题。
Your argument should be expressed in clear, concise, and readable English. There should be no errors of grammar, syntax, or spelling. Precision and elegance of expression will be rewarded.
你的论点应该用英语清晰、简明、易懂地表述。其中应该不存在任何语法、句法或拼写错误。准确且优美的表达会得到相应的奖励。
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