（略）I usually have milk and break.（略）I usually have chicken with vegetables and some rice.（略）I usually have milk and break for brakfast.（略）I usually have chicken with vegetables and some rice.一篇课文 为什么牛奶 面包 有蔬菜的鸡肉都没用some ,而米饭用了some,都是不可数了啊?有什么规律吗?还是加不加都可以?
问题描述：
（略）I usually have milk and break.（略）I usually have chicken with vegetables and some rice.
（略）I usually have milk and break for brakfast.（略）I usually have chicken with vegetables and some rice.一篇课文 为什么牛奶 面包 有蔬菜的鸡肉都没用some ,而米饭用了some,都是不可数了啊?有什么规律吗?还是加不加都可以?
答
I usually have milk and break for brakfast.这是基本上固定不变的I usually have chicken with vegetables and some rice鸡和蔬菜必须要有,米饭可有可无或者不重要规律：固定不变或者重要的用零冠词,次要的用不定...