领导力在外交中起着重要作用，良好的领导能够带领团队应对复杂的国际挑战。
Leadership plays a crucial role in diplomacy, and good leadership can guide a team to address complex international challenges.
The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
到了白头之年，我们同甘共苦；历史的是非功过，又由谁来评定呢？
We've done price elasticity studies, and the answer is always that we should raise prices. We don't do that, because we believe -- and we have to take this as an article of faith -- that by keeping our prices very, very low, we earn trust with customers over time, and that that actually does maximize free cash flow over the long term.