The police inferred that they found her behaviour rather suspicious.

　　警方暗示他們發現她行為非常可疑。

　　By measuring the motion of the galaxies in a cluster, astronomers can infer the cluster's mass.

　　通過測量星系在一個星系團內的運動，天文學家們可以推定這個星系團的質量。

　　The implication of silence infers consent.; Silence implies consent.

　　沉默意味著同意。

　　No one can infer such an opinion from his statement.

　　誰也不能從他的聲明中得出這種看法。

　　Men observe and infer in all sorts of ways.

　　人們通過各個途徑進行觀察和推斷。