个人的行为并非以社会福利最大化为目标。
Responsible mining is not an option, it's an obligation we owe to our planet and future generations.
在科学领域,我们必须准备好接受我们最珍视的理论有一天可能会被取代。
If you think about something at three o'clock in the morning and then again at noon the next day, you get different answers...
"Sometimes, the hardest part isn't letting go but rather learning to start over."