"Than" 在英语中主要用作比较级或表示“而不是”的意思。以下是一些使用 "than" 的例子：
1. 比较级：
I am taller than my brother.
She runs faster than he does.
2. 选择或替代：
I would rather have tea than coffee.
I prefer to read a book than watch TV.
3. 相比之下：
I feel better today than I did yesterday.
4. 用来分隔两个不同的选项：
I like apples, oranges, and bananas, but not pineapples, than grapes.
具体使用 "than" 时，后面可以跟名词、形容词、副词、介词短语、不定式（to do）等，具体取决于句子结构和要表达的意思。
