point of departure
近义词：springboard，jumping-offpoint，jumping-offplace，
英英释义
Noun
- a place from which an enterprise or expedition is launched;
"one day when I was at a suitable jumping-off place I decided to see if I could find him" "my point of departure was San Francisco"
- a beginning from which an enterprise is launched;
"he uses other people's ideas as a springboard for his own" "reality provides the jumping-off point for his illusions" "the point of departure of international comparison cannot be an institution but must be the function it carries out"