The true value of a mathematician lies in the problems they leave behind.
爱是脆弱的,你必须像对待生命体一样呵护它,否则它会消失。
The land remembers what the people forget.
你记忆中的一切都不在了,还是忘掉比较好。
The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they believe it will bring them strategic advantage.
The future of energy is low-carbon, and natural gas will play a vital transitional role.