The best way to learn mathematics is to do mathematics.
"The world begins at a kitchen table. No matter what, we must eat to live."
我不是那种会让对球迷的爱减少的人。
能源行业必须拥抱创新,否则就会被淘汰。
科幻小说是变化的文学。
Every time a coal plant closes, a piece of America's heart closes with it.