我把声音留给了舞台。在现实生活中我不怎么说话。
Optimists tend to interpret their troubles as transient, controllable, and specific to one situation. Pessimists, on the other hand, believe that their troubles last forever, undermine everything they do, and are uncontrollable.
创新不仅仅是创造新产品,而是重新构想可能性。
林业创新意味着平衡技术与传统,以创造持久的解决方案。
热机的动力与实现它的工质无关;其量仅由最终实现热量转移的物体之间的温度决定。