Yet from 2009 to 2010 Obama did nothing at all on this front when he had the power to act.

但是从2009到2010年，奥巴马有权力操控的时候，他却在这方面毫无作为。

youdao

The bill’s title (the “American Power Act”) obscures a crucial fact: it is still a cap-and-trade bill that seeks to reduce greenhouse-gas emissions by 17% on 2005 levels by 2020, and 83% by 2050.

法案的名称（美国能源法案）掩盖了一个关键的事实：以2005年为基年，它计划在2020年二氧化碳减排17%，2050年减排83%，但仍旧是通过碳排放限额交易机制实现的。

youdao

The bill's title (the "American Power act") obscures a crucial fact: it is still a cap-and-trade bill that seeks to reduce greenhouse-gas emissions by 17% on 2005 levels by 2020, and 83% by 2050.

法案的名称(美国能源法案)掩盖了一个关键的事实：以2005年为基年，它计划在2020年二氧化碳减排17%，2050年减排83%，但仍旧是通过碳排放限额交易机制实现的。

youdao

But their territorial legislatures would not have the power to act on the issue of slavery.

VOA: special.2009.03.05

Congress did not have power to act on slavery in the territories.

VOA: special.2009.05.14

In this way, the case could be settled without deciding on the power of Congress to act on slavery in the territories.

VOA: special.2009.05.14

Counties have no power to act on their own.

ECONOMIST: State constitutions

But last month, when I addressed a joint session of Congress about our jobs crisis, I also said that I intend to do everything in my power to act on behalf of the American people -- with or without Congress.

WHITEHOUSE: President Obama Speaks on Housing and the Economy

As boss of TIBC, Mr Stewart says he took instructions from Mr Sanea because he believed that the Gosaibis had given Mr Sanea full power of attorney to act on their behalf.

ECONOMIST: The contours of a Saudi financial scandal become clearer