NOSS

例句：

1. 1. She has no idea what happened to her friend.
   她不知道她的朋友发生了什么。
2. 2. The company's new CEO is expected to make significant changes.
   预计公司的新任首席执行官将做出重大改变。
3. 3. There was no sign of life in the abandoned house.
   那所被遗弃的房子里没有生命的迹象。