YOU SAID:
car crash make population go down into the sewers
INTO JAPANESE
交通事故で人口が下水道に流れ込む
BACK INTO ENGLISH
Population flows into the sewer due to a traffic accident
INTO JAPANESE
交通事故により人口が下水道に流入
BACK INTO ENGLISH
Population flows into the sewer due to a traffic accident
Come on, you can do better than that.