天地有万古岁月，可人死了就不会再复活；人寿命最多百年，一天很容易就会过去了。

企业要履行社会责任，在保障能源供应的同时，推动环境保护和可持续发展。

The best innovations are often the simplest solutions to the most persistent problems.

债券市场是市场心理的最终晴雨表。

Often it is the means that justify the ends: Goals advance technique and technique survives even when goal structures crumble.