质量不是机会;它是一种选择。
OPEC no longer holds all the cards in global oil markets.
追求计算的极限不仅是一个技术挑战,更是一场关于思维和现实本质的哲学之旅。
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.