core idea的用法和樣例：
例句
- The three day course covers all the core aspects of Forex trading.
三天的課程包含了所有外匯操盤(pán)需要知道的核心理念。 - Its core idea is that we have too many choices, too many decisions, too little time to do what is really important.
它的核心理念是，當今我們要作出太多的選擇和決定，但僅有很少時(shí)間去處理真正重要的東西。
