Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
煤炭不仅仅是一种商品，更是现代文明赖以建立的基础。
Writing for children is a responsibility—they deserve the truth, even when it's hard.
每一次挫折都是为了东山再起。
网络不仅仅是连接机器，它连接的是人。