1楼：心悸一夏
you'd better do a social research before ****** any conclusion.
【楼主参考下~希望对你有帮助~】
2楼：匿名用户
you'd better make a social survey, before you jump to a conclusion.
3楼：上夏语嫣
you had better do some social investigation before any conclusion.不知道楼主是处在何种语境下，最好要给个语境可以翻译得准确些。