四十年前的森林覆盖率是多少？

What was the rate of forest coverage forty years ago?

youdao

我了解到弗雷迪高中毕业后做过好几份工作，他跟四十年前我见到的那样，仍是个热心肠的人。

I learned that Freddy did several jobs after his graduation from high school and remained the same caring person I met forty years before.

youdao

据国家林业和草原局最近的一份报告显示，通过中国政府和人民的努力，与四十年前的5%相比，中国的森林覆盖率已经达到96%。

With the efforts of China's government and its people, the rate of forest coverage in China has reached 96%, compared to 5% forty years ago, according to a recent report from the State Forestry and Grassland Administration.

youdao

Efficient markets" is a theory about-- well it came in about three decades ago, maybe it's closer to four decades ago-- it's a theory that financial markets work very well and incorporate information very well.

有效市场是...,大约三十年前,甚至四十年前,有人提出了这一假说,他认为金融市场运行良好,而且信息披露全透明

耶鲁公开课 - 金融市场课程节选