网友回答：
and why we don t called those natural food like "red food"，hope youth and etc.that s my favourite colour:green，thanks for listing！we can see the colour everywhere:tree leaves are green，during our lives，
温馨提醒：随时光变迁，文中所陈述观点；准确性、难免有所变动，因此文中观点仅供参考。
