Breeders have bred a great deal of new flower varieties by taking routine cross breeding, radiation breeding, tissue culture breeding, polyploidy breeding, and spaceflight breeding etc.

人们通过常规杂交育种、辐射育种、组织培养育种、多倍体育种、航天育种等手段培育了大量的花卉新品种。

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For food (like books, music, and art) reveals not only new insights about our culture and society, but also a great deal about ourselves.

FORBES: A History of Food: Adam Gopnik's "The Table Comes First"