今天我们要学的词是 rev up.
rev 用作动词是指引擎转速加快，常常和up连用，意思就是加速。
Italy's big budget, intended to rev up the economy and help businesses, is instead likely to set back those efforts. 意大利巨大的预算原本是要推动经济发展和帮助企业，但却正在挫败这些努力。
The Federal Reserve continued to signal increases in interest rates, a message that could backfire as President Trump and Congress want to rev up the economy. 美联储继续发出可能加息的信号，这会随着特朗普总统和国会希望经济加速发展而引起反弹。
