a crying need的用法和样例：
- There is an urgent need for qualified teachers.
- They felt a pressing need to master culture.
a crying need的相关资料：
Aoishi a A mosquito hums /buzzes/drones. a worthwhile cause/discussion/job A thrill- packed television series. a craftsman who upholsters furniture. a worrying development/trend/sign a man's double-breasted frock coat. a clever but inarticulate mathematician a horrific murder/accident/attack a problem of mind-boggling complexity