My fellow countryman: When four years ago we met to inaugurate a President, the Republic, single-minded in anxiety, stood in spirit here. 4年前，当我们聚在一起举行总统就职典礼，合众国忧心如焚，群情激奋。 We dedicated ourselves to th
Hydropower, geothermal, wind, solar, biomass. 水力，地热，风力，太阳能以及生物质。 Did you know that last year, for 299 days, 你们知道去年总共有299天， we did not use any fossil fuels in order to generate all our electricity? 我们生
Hi, everybody. 大家好！ This week, in my State of the Union Address, I talked about what we can do to make sure middle-class economics helps more Americans get ahead in the new economy. 本周，在我的国情咨文演讲中，我谈论了
