S&p 500
[经] 斯坦福五百种股票指数
🧩 词语组成解析
five hundred
🗣️ 情景例句
Please don't do it without asking.
未经允许请不要那么做。
I'm not in.
我不在家。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。