文章让修改，审稿人说有些地方语法和拼写有错误：
there are still issues of grammar and wording, e.g. p. 1 line 14/15 of the abstract, p. 2, line 13-14, line 20, line 29, 36 ff, 39, 42, 79, p. 3, line 28, p. 4, line 25 ff, 52, 60, 62, 90 f., p. 5, line 5, 14.
我不明白的是有些后面的ff 和 f.是什么意思？求高人指点！急！在线等！ |
回复此楼
