The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
对黑洞的研究彻底改变了我们对空间和时间的理解。
The value of unpaid work is often invisible in economic measures, yet it is the backbone of society.
无偿工作的价值在经济衡量中常常不可见，但它却是社会的支柱。