Assertion: donor | /r/CapableOf | sustain that giving
Facets:
value: in the longer term
type: TEMPORAL
Source sentences:
text: Self-perception theory tells us that external triggers for giving, such as membership, or perceived membership, can cause a donor to discount any intrinsic motives they might have had, making it difficult to sustain that giving in the longer term—particularly when contact with that community comes to an end.