I hate when I'm on a flight and I wake up with a water bottle next to me like oh great now I gotta be responsible for this water bottle.

自守表示的研究是理解朗兰兹猜想的关键。

Sustainable fishing isn't an option - it's the only way forward if we want to preserve both our industry and our oceans.

数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。