Technological innovation is the fundamental way to solve the problems of the coal industry.
最好的学习方法就是实践。
心灵是一个协调活动的系统。
What has destroyed every previous civilization has been the tendency to the unequal distribution of wealth and power.
那些将元件视为人类潜能赋能者而非商品的公司将会蓬勃发展。
In times of crisis, transparency and accountability are paramount.
我们必须在经济增长和环境责任之间取得平衡,别无他法。
如果拜登当选,你将要付7元、8元、9元。