I think it's a real problem, we're moving into a period of real flux, a real unknown period with climate change and we're going to need to develop crops that have very high tolerance to drought.

我认为这是一个真正的问题， 我们正在进入一个真正的变化时期，一个真正未知的气候变化时期， 我们将需要开发对干旱具有非常高耐受性的作物。