few/a few/little/a little的用法与区别

few, a few, little, a little 虽然都表示“少”,但 （1）few, a few是可数的, little, a little是不可数的. （2）a few, a little含肯定意味,few, little含否定意味.这里所谓的“肯定意味”和“否定意味”应该这样...