windvane的用法和樣例：
例句
用作名詞 (n.)
- After the same day opening price soon, this windvane index once obviously lowered, but transfers very quickly shakes the vanguard, when closing is the straight line rises.
當日開(kāi)盤(pán)后不久，該風(fēng)向標指數曾顯著(zhù)下挫，但很快轉為震蕩前行，尾盤(pán)時(shí)更是直線(xiàn)上揚。
