a question at issue的用法和样例：
- Where we shall do this test is still a question at issue.
- It is still a question at issue who will be responible for this matter.
- question at issue; a question in dispute
- One question at issue among naturalists is the origin of the human race,whether it was by development or by creative act.
- In this type of case, the "precise question at issue" could be whether the agency's decision rested on a factor that Congress had clearly indicated should be irrelevant.