Definition: not producing anything of value Level: C1
经历了数月无成效的官僚主义。
There were months of ___unproductive bureaucracy.
会议完全无效。
The meeting was totally ___unproductive.
特别是如果这些毕业生失业了，而且不容易找到工作，他们会因为呆在家里而感到没有产出。
Especially if these graduates are unemployed and they can't find a job easily, they would feel ___unproductive by staying home.
