| 1. | The value of commodities often fluctuates .
商品的价值是经常变动的。 |
| 2. | Errors often have more than one component .
误差经常有不只一项组元。 |
| 3. | So we'll be seeing a good deal of you .
那么，我们可以经常见到你了。 |
| 4. | The blind do not always need our help .
盲人并不经常需要我们的帮助。 |
| 5. | The carpet has got worn with use .
这块地毯由于经常使用已经磨坏了。 |
| 6. | I 'll keep you informed of the progress made .
我将经常向你反映进度。 |
| 7. | He generally wore an old, shabby hat .
他经常带一顶旧的、破烂的礼帽。 |
| 8. | It isn't often i ask you to do me a favour .
我不是经常求你帮忙的。 |
| 9. | Teachers exercise authority over their pupils .
教师经常管束学生。 |
| 10. | Do you have much time for your work ?
你工作的时间（经常）很多吗？ |
