他20岁时永远离开了家。

When he was 20, he left home ___for ___good.

他之前租了这个房产，但永远回到了斯里兰卡。

He was renting this property previously, but he went back to Sri Lanka ___for ___good.

战争结束后，这家人决定永远搬到加拿大。

After the war, the family decided to move to Canada ___for ___good.