But the undervaluation of the renminbi, which is currently 45%, has persisted for many years. So why is the US suddenly acting so aggressively?
但是人民币的估值过低——目前低了45%——已经存在许多年了。为什么美国突然 采取富有侵略性的措施呢？为什么美国早前不采取措施呢？