Plug-in cars face a long, tough battle to break beyond a small but devoted audience of Hollywood stars, eccentrics and passionate environmentalists.

在赢得了诸如忠实的好莱坞影星追星族、怪人和热情的环保人士等小部分人之外，充电汽车仍面临着漫长而艰苦的战斗。

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I'm going back to the birthplace of my grandfather, my father, my mom and her side of the family, and I'll be doing so as a devoted and passionate advocate for America, the country where I was born and raised.

WHITEHOUSE: President Obama Announces Secretary Locke as Ambassador to China | The White House