scope face的用法和樣例：
例句
- The front face has a small color display and a basic backlit keypad for alpha-numeric input.
手機正面有一個(gè)小型彩色顯示屏，鍵盤(pán)有背光方便文字和數字輸入，還有紅色和綠色的按鍵，分別用于掛機和接聽(tīng)。 - By appropriately limiting the scope of functions, you can ameliorate this situation somewhat, but the tension between display and navigation almost always exists to some degree.
通過(guò)合理限制功能的數量，可以改善這種難于取舍的局面，但是顯示屏和導航的矛盾卻在一定程度上始終存在。
