It was gradually adopted by other countries through time and the United States didn't officially adopt it until 1900.

随着时间的流逝，它渐渐被,其它国家所采用,美国直到1900年才正式采用金本位制度。

耶鲁公开课 - 金融市场课程节选

What it was it began the first country to adopt the gold standard officially was the United Kingdom and that was in 1717.

它是什么---它开始于,第一个官方正式地采取金本位制度的国家,是英国，那时是1717年。

耶鲁公开课 - 金融市场课程节选