excutive director的用法和樣例：
例句
- Dina Powell is the managing director of Goldman Sachs.
蒂納是高盛的常務董事。 - Renzu Luo, managing director of the Weir Group, is optimistic over the prospect of using liquefied natural gas as fuel for electricity generation along China's coastal regions.
威爾集團常務董事羅仁祖對中國沿海地區使用液化天然氣燃料發電的前景表示樂觀。
