accident's beforehand case的用法和样例：
- Local government height takes seriously, start urgent meet an urgent need beforehand case, do aftertreatment of meddlesome reason be apt to with all one's strength.
- He arrived at the meeting place beforehand.
- In that case you'll have to clear yourself.
- In this case, let's start earlier.
- I had made preparations beforehand.
- I am going to get everything ready beforehand.