俱舍論記 18.112

18.112

「由趣別者至受千倍果」者，此下別釋。此即第一釋趣別。由趣不同，施果差別。如文可知。

Regarding "From differences in destinies... receiving a thousandfold result": what follows is the specific explanation. This is the first, explaining differences in destinies. Because the destinies are not the same, the fruits of giving are distinguished. This can be understood from the text.