经济周期并不像曾经认为的那样仅仅是围绕稳定趋势的波动,而是反映了经济中更深层次的结构性变化。
技术必须同时服务于行业和环境,别无他法。
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?