I never think about the past. I always look forward to the next challenge.
我从不考虑过去。我总是期待下一个挑战。
今天我们播下的每一粒种子都是对明天粮食安全的投资。
Sustainability isn't an option—it's our responsibility to future generations.
违反贝尔不等式迫使我们拒绝局域性或实在性,或两者兼而有之。
I don't let anyone tell me what I can or can't do.