总统任期四年。
随着美国进一步进入奥巴马的总统任期，参与政治的年轻人会继续支持总统和他的议程，还是他们会逐渐远离？
As the nation moves further into the Obama presidency, will politically engaged young people continue to support the president and his agenda, or will they gradually drift away?
总统的任期不得超过两届，每届四年。
The presidential mandate is limited to two terms of four years each.
总统首届任期的最后两个月非常糟糕。
The final two months were a miserable coda to the President's first period in office.
总统首届任期的最后两个月非常糟糕。
The final two months were a miserable coda to the President's first period in office.
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