“并不是一天发生的，而是最近几天的病人都集中了过来。因为医护人员太少了

“并不是一天发生的，而是最近几天的病人都集中了过来。因为医护人员太少了，所以，后来帮忙的志愿者，将他们给集中到了大厅里，好统一解决问题。”

Results (English) 1:

"In short, all of the patients had an accident? So much?" Ma Yanlin more accidents.

Results (English) 2:

"In short, all the unexpected patients?" So much? Ma Yanlin was more surprised.

Results (English) 3:

"In a word, are all the patients who have had an accident? So many? " Ma Yanlin was more surprised.