我们能培育的最有价值的作物是下一代农民。
There is a great deal of unmapped country within us which would have to be taken into account in an explanation of our gusts and storms.
The world is a tragedy to those who feel, but a comedy to those who think.
食物的未来取决于我们今天如何对待土壤。
The impact of unions on wages and employment is often misunderstood.