What is the theme of the poem?

Reading Comprehension: Read the quoted parts carefully and answer the questions in English. Write your answers in the corresponding space on the Answer Sheet.“Shall I compare thee to a summer’s day?
Thou art more lovely and more temperate:
Rough winds do shake the darling buds of May,
And summer’s lease hath all too short a date:”
What is the theme of the poem?
【正确答案】：

A NICE SUMMER'S DAY IS USUALLY TRANSIENT, BUT THE BEAUTY IN POETRY CAN LAST FOREVER.

【题目解析】：诗歌的主题是：良辰美景通常是短暂的，但诗歌之美却可以永存。