阅读是不用移动的旅行。

无人机不是玩具，而是改变行业的工具。

Success is not final, failure is not fatal: It is the courage to continue that counts.

Be strict with yourself and forgiving of others. The reverse is hell for everyone.

矿工的安全永远不应该用成本效益分析来衡量。

Those who cannot remember the past arecondemned to repeatit.

释义：一片浮萍顺水漂流，终飘向大海，人生又哪里不能再次重逢呢？