Complex expressions are one or more simple expressions connected by operators. 複雜表達式是由運算符連接的一個或多個簡單表達式。
You have a temp that is assigned to once with a simple expression, and the temp is getting in the way of other refactorings. 你有一個臨時變數,只被一個簡單表達式賦值一次,而它妨礙了其他重構手法。