Investors should focus on what they can control: costs, diversification, and time horizon.
投资者应专注于他们能控制的事情:成本、分散投资和时间范围。
数学的乐趣在于发现模式并理解它们的含义。
The future of coal is not about volume, but about value creation through technology and sustainability.
Innovation is not just about technology; it's about changing the way people think and live.