表達式的用法和樣例：
例句
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在COBOL系統中，由一個(gè)數據項、算術(shù)表達式或條件表達式表示的信息。
In the COBOL system, the information represented by a data item, arithmetic expression, or conditional expression. -
方括弧，中括號符號之一，用于托住一手寫(xiě)或印刷或標明被視作單一數量單位的數字表達式
One of a pair of marks, [ ], used to enclose written or printed material or to indicate a mathematical expression considered in some sense a single quantity. -
一種常數、變量、函數名或表達式。
A constant, variable, function name, or expression. -
被除數被另一個(gè)數除的表達式；被除數
An expression to be divided by another; a dividend.
