| 1 | There are many different levels of cultural activities in this city, which are rich and varied. | |
| 2 | The improvement of his outlook on life has promoted a transformation in his level of thinking. | |
| 3 | Her story reveals the deep-rooted causes of poverty and discrimination. | |
| 4 | This issue leads us to think about deeper issues. | |
| 5 | The content of this book is easy to understand and is suitable for readers of all levels. |
