Since the current world food shortage is trend-driven, the environmental trends that cause it must be reversed.
由于当前世界粮食短缺是环境趋势导致的，因此必须扭转这一趋势。
2
In short, our current mood of despair could be reversed almost instantaneously-if it is recognized as a pathology, a sort of degeneration of the spirit.
总之，我们当前绝望的情绪可以立即得到扭转，如果我们只是将其看作是一种精神的变化。
3
From our current print edition: Fighting gives way to talking, but the mood of protest cannot be reversed.