Goldilocks

剑桥词典

used to describe a situation in which something is or has to be exactly right
形勢（或事物）恰到好処
The Mayor takes a Goldilocks approach to his city's 18 percent growth : It's not too fast and not too slow . 市長認爲城市18%的增長恰到好処：既不太快也不太慢。
Its nickname is the Goldilocks Bird, because it nests only when water levels are "just right ". 它的昵稱叫“恰好鳥”，因爲它們衹在水位剛好的地方築巢。 返回 Goldilocks