speech about的用法和樣例：
例句
- The chairman gave this long drawn out speech about how the company is going to fight the recession.
董事長發表了長時間的演講，大談公司將怎樣對付經濟衰退期。 - The president's speech about the need for saving power got home, and everyone started turning off lights.
總統關於節約用電的講話被接受了，人們開始做`到人離燈滅了。
