Either way, with the bright green molecules gone, yellow and orange pigments that were there all along helping with photosynthesis, are no longer overshadowed, and ta-da! Yellow and orange leaves.
无论如何,亮绿色的分子消失了,一直默默帮助光合作用的黄色和橙色色素就都显现了出来,于是就有了黄色和橙色的叶子!