something or other

例句：

1. 1. I need to buy something or other before the store closes.
   我需要在商店关门前买一些东西。
2. 2. They decided to go somewhere else for their next vacation.
   他们决定去别的地方度他们的下一个假期。
3. 3.He was unsure about which book he wanted to read first, so he asked someone or other for help.
   他不确定他想先读哪本书，所以他问别人或别的人帮忙。