增长的关键在于在不断变化的市场中的适应性。
在能源转型中,煤炭在未来几十年仍将是关键的过渡燃料。
"You don't need a degree to be a writer. You just need to write."
Understanding the fundamentals is key to mastering any complex system.
数学是一种超越文化和语言障碍的通用语言。