Goldilocks

剑桥词典

used to describe a situation in which something is or has to be exactly right
形势（或事物）恰到好处
The Mayor takes a Goldilocks approach to his city's 18 percent growth : It's not too fast and not too slow . 市长认为城市18%的增长恰到好处：既不太快也不太慢。
Its nickname is the Goldilocks Bird, because it nests only when water levels are "just right ". 它的昵称叫“恰好鸟”，因为它们只在水位刚好的地方筑巢。 返回 Goldilocks