simple idea的用法和樣例：
例句
- A measure of the ability of a communication system to convey information by means of speech. Intelligibility is expressed as the percentage of simple ideas correctly received over the system.
通信系統藉助語音來傳遞信息的能力的一種度量。可懂度表示為通過該系統可準確接收簡單概念(即信息內容)的百分比。 - Incredibly, no one had ever thought of such a simple idea before.
真是難以相信，這樣簡單的主意竟沒有人想到過。
