为世界粮食短缺问题找到长期技术解决方案的希望似乎很难实现。
The promise of finding long-term technological solutions to the problem of world food shortages seems difficult to fulfill.
在最近一次会议中，他们就一系列的问题作了具体的安排，其中包括如何战胜世界粮食短缺问题，能源问题及气候改变的问题。
The recent meeting has seen them make concrete arrangements on a series of issues, including fighting world food shortage, energy and climate change.
他的研究极大地解决了世界粮食短缺的问题。
His research greatly solved the problem of the food shortage in the world.
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