translation.en: So in an apple orchard, for instance, you'll have rows of 10 apples of one variety, and then you have another apple tree that's a different type of pollen.
translation.zh: 如果在一个苹果园里，你有10行 同一个品种的苹果树，然后还有一棵苹果树 它有不同的花粉型。