I'm so sad to see this little dog without her family.
看到这只狗没有家 我真难过。
Make all you can, save all you can, give all you can.
尽力而为,尽力节约,尽力施舍。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.