On the contrary, since the people most likely to donate are those who have donated in the past, good fund-raisers constantly try less-likely prospects in an effort to expand the donor base.

相反，由于最有可能捐款的人是那些过去捐过款的人，优秀的募捐者会不断尝试那些不太可能捐款的人，以努力扩大捐款者的基础。