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

• 几个月前，在一封致奥巴马先生的公开信中，米歇-普兰说,白宫应该种植菜园，为全国在健康饮食和自家种植方面树立一个具有革新意义的榜样。