This leads to interesting game play decisions: you have to decide when to use your energy to fire at the opponent and when to keep it in reserve to withstand potential damage.
这就带来了有趣的博弈决定：您必须决定何时使用能量向对手开炮，何时保存能量以应付可能的损失。
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The key question for the US Federal Reserve is whether the interest rate medicine it has administered is sufficient to slow the economy to the lower estimates of potential growth.
The notes are denominated in Special Drawing Rights, a quasicurrency issued by the fund and promoted by China as a potential replacement for the dollar as the world's reserve currency.