正是因為義工們的無私奉獻和許多好心人的慷慨解囊，這些命運多舛的動物才得以在收容所勉強存活下來。（It）

It is because of the selfless dedication of volunteers and the generosity of many kind-hearted people that these ill fated animals survived in the shelter。

It is because of the selfless dedication of volunteers and the generosity of many kind-hearted people that these ill fated animals survived in the shelter。