The family is a little factory that produces and consumes goods and services.
家庭是一个生产和消费商品与服务的小工厂。
过去是一道永不消散的阴影。
好奇心和坚持是科学突破背后的驱动力。
我们都生活在祖先生活的废墟中。
"Writing is a way of thinking, a way of understanding the world."
你唯一应该超越的人就是昨天的自己。
Innovation is not an option; it's a necessity for the survival of the coal industry.