考研原句，這個句子感覺語法有點奇怪，把the換成that的話我就能理解。但目前要如何理解？

This is something the mostly happens with all of us.



網友的句子寫錯了，the 原本就是that：

This is something that mostly happens with all of us.

這個無須進一步推斷，改過來即可。