Names of people, places and organisations are called proper nouns. We spell proper nouns with a capital letter:
人名、地名、組織名稱都是專有名詞。開頭首字母要大寫。

Mohammed Ali; Birmingham; China; Oxford University, the United Nations

We use capital letters for festivals:
節(jié)日名稱的首字母也要大寫：

Christmas; Deepawali; Easter; Ramadan; Thanksgiving

We use a capital letter for someone’s title:
某人的特定稱謂的首字母也要大寫：

I was talking to Doctor Wilson recently.

Everything depends on President Obama.

When we give the names of books, films, plays and paintings we use capital letters for the nouns, adjectives and verbs in the name:
書名、電影名、戲劇名和畫作名稱，首字母都要大寫：

I have been reading ‘The Old Man and the Sea’.

Beatrix Potter wrote ‘The Tale of Peter Rabbit’

You can see the Mona Lisa in the Louvre.

Sometimes we use a person’s name to refer to something they have created:
有時候我們用某人的名稱代表他們所發(fā)明的事物：

Recently a Van Gogh was sold for fifteen million dollars.

We were listening to Mozart.

I’m reading an Agatha Christie.