"留待第二天解决" can be translated into English as "leave it to be resolved the next day" or "save it for resolution the following day".
Both expressions convey the idea of postponing a problem or task to be addressed on the subsequent day. Here are some example sentences to illustrate their usage:
If we can't find a solution today, let's leave it to be resolved the next day.
（如果今天找不到解决办法，我们就留待第二天解决。）
There are still some issues left unresolved. We can save them for resolution the following day.
（还有一些问题没有解决。我们可以留待第二天解决。）