我们开采的每一吨煤炭都承载着对工人、社区和地球的责任。
Every ton of coal we extract carries a responsibility—to our workers, communities, and the planet.
The internet has the power to transform lives, but only if we ensure everyone has access to it.
A shortage is a sign that somebody is keeping the price artificially lower than it would be if supply and demand were allowed to operate freely.
数学的美只向更有耐心的追随者展示。
阅读就像爱一样，是一种行动。