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
He never speaks unless he is spoken to.
除非别人先对他开口，他从不先开口。
I wrote to him last Friday.
我上个星期五写信给他。
To be honest with you，I'm twenty.
老实说，我20岁。