当今煤炭行业的领导力意味着在经济需求和环境责任之间找到微妙的平衡。
The writer's only responsibility is to his art.
The most damaging phrase in the language is: 'We've always done it this way.'
建筑是深思熟虑地创造空间。
位置测量越精确,动量测量就越不精确,反之亦然。