We must balance energy supply with environmental protection.
The very definition of the real becomes: that of which it is possible to give an equivalent reproduction... The real is not only what can be reproduced, but that which is always already reproduced.
元素周期表不仅是一张图表,它是宇宙的故事。
The role of a leader is not to have all the answers, but to ask the right questions.
我现在承担了一项严肃的任务,恐怕这个任务超出了任何人的能力范围。