projection and forecast 有甚麼分別呢

projection - 投射 / 放映
平時上堂用既投射器就係叫做projector

forecast - 預報 / 預測
I listened to the weather forcast.
我聽了天氣預報。



所以佢地既主要分別係 project --- 用來看的
forcast --- 用來聽的

2008-12-20 19:09:24 補充：
所以佢地既主要分別係 projection --- 用來看的


forcast --- 用來聽的

projection - the calculation of some future thing (eg. annual expenses, growth, profit, etc.)
forecast - the prediction of some future condition or occurrence (eg. weather)