求翻译：单独学习有一些优点，单独学习可以让学生更加集中注意力，提高了独立思考的能力。但是，不可忽视的弊端是不能及时地解决不明白的问题从而难以得到提高是什么意思？

Separate study has some merit, individual learning can allow students to focus more to improve the ability to think independently. However, the drawbacks can not be ignored in a timely manner to resolve not understand the question and making it difficult to improve

There is a separate study, individual learning some of the advantages that students can be more focused attention, increased the ability to think independently. However, we cannot ignore the flaws are not timely solutions do not understand the problem and thus it is difficult to be improved

Alone studies has some merits, alone studies may let a student more centralized attention, sharpened the independent thinking ability.Thus but, the noticeable malpractice cannot solve not the clear problem to obtain the enhancement with difficulty promptly

Individual learning has some merit, separate learning allows students more focused attention, enhance the ability of independent thinking. However, abuses not to be ignored is not resolved in a timely manner does not understand the problem which makes it difficult to improve

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