swan
/swɒn/
📖 中文释义
- n. 天鹅, 天鹅星座, 有才华的诗人
- vi. 闲荡, 蜿蜒而行
🔗 释义中的汉语词
🧩 词形变化
💬 双语例句
This swan is black.
这只天鹅是黑色的。
· The “black swan” metaphor suggests that these events reflect difficulty in correctly assessing risks in complex systems.
· “黑天鹅”的比喻意味着在一个复杂系统中准确评估风险的困难性;
Moreover, markets have trouble pricing such “black swan” events: “unknown unknowns” that are unlikely, but extremely costly. For example, the market couldn’t have predicted 9/11.
此外,市场难以定价这些“黑天鹅”事件,即不太可能出现、一旦出现便代价高昂的“未知的未知 ” 。 比如,市场不可能预见到会发生9/11。 而即使投资者认为会发生又一场重大恐怖袭击,也不可能知道是什么时候。
🔵 同义词
🔗 常用搭配
📘 English Definition(英文释义)
- n. stately heavy-bodied aquatic bird with very long neck and usually white plumage as adult
- v. sweep majestically