| 1. | The problem of making a network effective is difficult enough in itself .
使网络有效，本身是一个十分困难的问题。 |
| 2. | The field of aesthetics presents an especially difficult problem to the historian .
美学领域向历史学家提出了一个格外困难的问题。 |
| 3. | His mind was now set upon the dollar problem; this was grim indeed .
他现在把全部心思都用来考虑“美元问题”；这的确是一个困难的问题。 |
| 4. | The hardest problem of all would be "people" -finding the right men for the right jobs .
最困难的问题还是“人”--物色适当的人选担任适当的任务。 |
| 5. | This nice and difficult problem could only be solved in relation to the news and events from week to week .
这一细致而困难的问题，只能和每周的消息和事态联系起来才能得到解决。 |
| 6. | A more difficult problem is the quantitative description of the secondary breakup of the initial spray by high velocity combustion gas .
一个更困难的问题是关于高速燃气使初始喷雾二次破裂的定量描述。 |
| 7. | User and group management is a difficult problem
用户和组管理是一个困难的问题。 |
| 8. | The first is perhaps the most difficult issue of all
第一件也许是最困难的问题。 |
| 9. | The president is capable of handling the difficulties
总统有能力处理困难的问题。 |
| 10. | She was faced with a difficult problem / decision
她面临一个困难的问题/选择。 |
