[àn shuō]
in the ordinary course of events; normally; ordinarily; according to the fact [common sense]
This is supposed to be an off season for vegetables but you seem to have enough here.
按说现在是蔬菜的淡季， 可是你们这里供应还不错。
Ordinarily it should be snowing at this time of the year.
按说这时候该下雪了。