煤炭工业是美国的支柱。
The coal industry is the backbone of America.
你必须相信这个过程并继续努力。
The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.
我努力在场上场下都做到最好的自己。