In a public letter to Mr.Obama several months ago, Michael Polan Pollan said a White House garden was would set a revolutionary example of healthful eating and local farming for the whole country.

• 在最近几个月给奥巴马先生的公开信中，迈克.；保伦说道白宫的菜园为全国树立了一个革命性的健康饮食和本土种植的榜样。