求翻译：由于客观条件的差异，学生现有水平的差异以及具体教学实际情况的差异，有时教材推荐或建议的教学方法不一定适合实际教学的需要。在这种情况下教师要注意调整教学方法。是什么意思？

Due to differences in objective conditions, differences in the students' current level of the difference of the actual situation as well as specific teaching, and sometimes the textbooks recommended or suggested teaching methods are not necessarily suitable for the needs of the actual teaching. In t

Owing to the objective conditions, the difference between existing differences in the levels of students as well as specific differences in actual teaching materials, sometimes recommended or suggested methods of teaching are not necessarily suitable for practical teaching. In this case the teacher

As a result of the detachment condition difference, the student existing level difference as well as the concrete teaching actual situation difference, sometimes the teaching material recommendation or the suggestion teaching method not necessarily suits the field research the need.In this case the

Because of differences in the objective conditions, existing differences in levels of students as well as the specific differences of teaching to the actual situation, sometimes educational materials recommended or suggested methods are not necessarily tailored to the needs of practical teaching. Te

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