我想唯有自由人才能感受到这种兴奋，一个自由人步上漫长的旅程，奔向不确定的未来。
I think the only free man can feel this kind of excitement, a free man step on a long journey, towards the uncertain future.
解释：大多数花类药材都有升散的作用，而旋覆花却有降气的作用，说明药材特性的多样性。
The companies that thrive will be those that view environmental challenges as opportunities for reinvention.
基因组是我们进化旅程的地图。