a quantity of和a number of的区别

a quantity of和a number of的区别 a quantity of与the number of的区别 a number of an amount of a quantity of区别 a large number of 和a large quantity of a lot of 和 a quantity of 的区别 a number of VS a quantity of 懂的请进 an amount of,a number of和a quantity of之间的用法有何不同 a quantity of 和quantities of 的区别? The number of 和A number of的区别 a number of 和 the number of 的区别 a number of和the number of的区别 the number of和a number of的区别