but in fact each of them,但實際上隨著時間推移

in fact其實； 事實上；實際上；確切地說

I think so; in fact, I am quite sure.

我想如此，事實上我非常確信。

He doesn't mind. In fact, he is even pleased.

他不介意，事實上，他甚至很高興。

As it's passed through generations of users,經過了一代代測試對象的改進

pass through穿過； 透過； 流過； 經歷

He has passed through unutterable agonies.

他已經歷了有口難言的煩惱。

Trains pass through the lush countryside.

火車通過蒼翠繁茂的鄉下。

By the ninth generation, the words have been divided into parts到了第九代，單詞已被分為幾部分

divide into分為, 分成

The investigator will be divided into three groups.

所有的調查員將被分為三個小組。

The earth is divided into 24 time zones.

地球被分為二十四個時區。