complex indefinite pronouns的用法和樣例：
例句
- When you refer back to indefinite pronouns, you use pluralpronouns or possessives, and a plural verb.
但指代不定代詞的需用複數代詞，物主代詞及複數動詞。 - The common feature of many solutions on systems of linear indefinite equations in the present literature was irregular and its calculated process is complex.
摘要目前的文獻資料中關於整係數線性不定方程組的解法很多，這些方法的一個共同特點是沒有規律性且計算過程複雜。
