1. 做某事困难                                                    
2. 经常复习                                         
3. 集中注意力去做某事                                         
4. 标出重点部分                                        
5. 一条建议                                     
6. 提高记忆能力                                       
7. 有机会去做某事                                        
8. 和别人交流                                        
9. 宁可, 宁愿                                        
10. 不同的学习方法