你送給我桃子，我就回報(bào)給你李子。意思是做人要知恩圖報(bào)，不能忘恩負(fù)義。也比喻禮尚往來(lái)，相互贈(zèng)送禮物。
We have a responsibility to make technology accessible to all of humanity.
我們寫(xiě)的每一個(gè)方程都是理解宇宙的一小步，但旅程是無(wú)限的。
真相往往比虛構(gòu)更可怕。
The steel industry is tough, but resilience is what separates the best from the rest.
Many backward steps are made by standing still.