一般碰到书名、文章名、标题等等,就会每个单词的首字母大写。但是即便是这样的书名、文章名、标题,还是会有部分单词,比如冠词、比较短的介词,首字母不用大写。
To indicate beginning of a sentence. You also sue it for proper nouns such as names or places.This is Mr Li, he comes from China.
这是死的规定啦!!!呵呵