经济周期不仅仅是围绕确定性趋势的波动;它们代表了趋势本身的转变。
We may have all come on different ships, but we're in the same boat now.
The meaning of a word is its use in the language.
The most important quality in a scientist is persistence.
人工智能有潜力改变每个行业,并提高每个人的生活质量。