external interface的用法和樣例：
例句
- You could freely change the way the data is internally represented while continuing to expose the same external interface.
您可以自由改變數據的內部表示方式而繼續公開相同的外部介面。 - This algorithm, based on the principles of pairwise testing, considers all possible values and their combinations on extern interfaces of a system.
該方法充分考慮到待測軟體所有外部介面參數的可能取值和各種可能取值的組合。
