Coal miners are the unsung heroes of America's industrial strength.
年轻人是可怕的,因为怎么能知道他的将来不如我们现在呢?但如果一个人到了四十、五十岁还默默无闻,他也就没有什么可怕的了。
The circular economy isn't a trend—it's the future of manufacturing.
We are all the sum of our memories.
任何公司最有价值的资产不是机器,而是操作机器的人。