I found this two examples at the same Chinese lesson text, but it is not explained why 在 is omitted in one of them:

  1. 你们明天在咖啡馆见面
  2. 你们明天咖啡馆见面

Is 在 optional?

  • Usually it does not matter, might be better to include it though
    – DialFrost
    Jun 30, 2022 at 2:55
  • Hopefully we can get answers which cite e.g. grammar textbooks. "A random person on the Internet says so" is not a reliable answer.
    – Becky 李蓓
    Jun 30, 2022 at 6:17

5 Answers 5


In is not necessary. In Chinese, prepositions can be omitted when they do not affect the understanding of the meaning.


Yes, but the probability to use 在 is much hight than without it. The reason is 咖啡馆 is a place and there is a verb phrase following it。actually, it is omitted because the information and word categories in the sentence.


Think you need 在


Maybe two spies are listening to their controller.
Maybe there is a a coffee house called "Tomorrow". Still need 在



Adverb can be ignored if it will not lead to misunderstanding. Here "在" is optional.


It's not required but better if have. I've found a sentence on 汉语教程 第二册 下 like this: 她给我打了一个电话 ,请我到一家咖啡馆跟她见面 。

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