don't-care

例句：

1. 1. I don't care if you come or not.
   我不管你来不来。
2. 2. She doesn't care about what others think of her.
   她不在乎别人怎么看待她。
3. 3. He doesn't care about the result;he just wants to win.
   他不在乎结果，只想赢。