自從我姐姐不在家裡住之後，我們就可以不用顧慮到她，可以常常和對方視訊或

自從我姐姐不在家裡住之後，我們就可以不用顧慮到她，可以常常和對方視訊或講電話

結果 (英文) 1:

Since my sister does not live at home, we can not worry about her, and the other party can often video or talking on the phone

結果 (英文) 2:

Since my sister doesn't live at home, we can stop worrying about her, we can often watch or talk to each other on the phone.

結果 (英文) 3:

Since my sister doesn't live at home, we don't have to worry about her. We can often video or talk to each other on the phone