| 1. | In many communities insects play a key role as herbivores and predators .
在许多群落中，昆虫作为植食动物和捕食者起着重要的作用。 |
| 2. | He played a key role in both the development and advancement of the president's economic program .
在发展与推动总统的经济计划中他扮演了关键性的角色。 |
| 3. | Assemblies also play a key role in security
程序集在安全方面也起着重要作用。 |
| 4. | A headmaster plays a key role in school
校长在学校教育中是具有关键作用的。 |
| 5. | They will play a key role at the world cup .
他们在明年世界杯上将扮演重要角色。 ” |
| 6. | Attitude plays a key role in your interview success
要在面试中取胜，态度举足轻重。 |
| 7. | The aps played a key role in the research
Aps在该研究中起了关键作用。 |
| 8. | The discount factor plays a key role in project evaluation
表4说明了贴现率是怎样起作用的。 |
| 9. | Enterprises need to play a key role in technological innovation
企业需要在技术创新中发挥主体作用。 |
| 10. | In such cases , the information asymmetry plays a key role
其中，信息不对称的程度扮演了重要角色。 |
