杯和碗可说是两兄弟，碗装吃的，杯装喝的。当然碗也可用来喝茶，杯也可用来吃饭，不过这是将就着用，还是用碗吃饭更大方，用杯喝茶更方便。或许最初只有碗没有杯，人们吃饭喝茶均是用碗，一些机会（如竹筒）让人们发现用“杯”喝茶更好。这样碗和杯就分家各司其职了。总之... Cups and bowls can be said to be two brothers, eating bowl, cup drink. Of course, bowls can also be used to drink tea, cups can also be used to eat, but this is about to use, or eat more generous bowl, drink tea with a cup more convenient. Perhaps the first bowl is not only a cup, people eat and drink tea are bowl, some opportunities (such as bamboo) so that people find it better to drink tea. This bowl and cup will be divided into different roles. In short ...