unfruitful

adj.

不结果实的；不生子女的；无效果的；徒然的

1. After a period of unfruitful time waiting for a kidney, the poor girl died.
   该女生在医院里等待肾脏捐赠无果后死亡。
2. They have been unfruitful in their efforts.
   他们都徒劳而归。
3. This kind of video does not have commercial value, unfruitful raise bandwidth cost.
   这类视频没有商业价值，又徒然增加带宽成本。

Unfruitful cooperative purchasing
Unfruitful cooperative purchasing : A case of humanitarian purchasing power
Analysis of Cause Leading to Unfruitful Peanut Pods
Marx and History: Fruitful and Unfruitful Emphases
[Telemedicine: an unfruitful experience of tele-expertise in nephrology]
Empty Tuns and Unfruitful Grafts: Richard Grafton's Historical Publications
Divine timelessness: A coherent but unfruitful doctrine?
Erce and Other Possibly Keltic Elements In the Old English Charm for Unfruitful Land
Growth and yield of four self-fruitful and four self-unfruitful almonds on three rootstocks: A thirteen-year study
Historical museology at the Beginning of the 21st century: Unfruitful Looking to the Paste or the Modern Re-thinking of the Discipline