One swallow doesn't make a summer是什么意思

Question

如题所述

Answer 1

One swallow doesn't make a summer
一只燕子不作夏天

Now a one-time congressional candidate is trying to make a difference, starting with a summer training program in New York City.
现在，一名国会候选人试图在纽约开设暑期培训课程改变这一现状。

Answer 2

我的理解是，一枝独放不是春，百花齐放春满园。