重點講解：
1. every now and then
時而；有時；
eg. Every now and then, John Henry would remember the strange dream he had had years before.
約翰·亨利不時地回想起幾年前做過的那個奇異的夢。
eg. She comes to visit us every now and then.
她時常來看望我們。
2. stand for
代表，表示；
eg. The five rings on the Olympic flag stand for the five continents.
奧林匹克運動會會旗上的五環代表五大洲。
eg. The letter "x" is often used to stand for an unknown number.
字母x常被用來代表一個未知數。
3. be composed of
組成；構成；
eg. The houses in my hometown were chiefly composed of wood.
我家鄉的房子過去多由木料制成。
eg. The university is composed of five academic schools.
整個大學由5個學院組成。
4. be aware of
注意到的；察覺到的；意識到的；
eg. Even students appear to have been aware of the dangers.
甚至連學生們似乎都曾覺察到了危險。
eg. Sometimes we are not consciously aware of these feelings.
有時候我們沒有意識到這些情感。
5. be addressed to
寄往；寄給；
eg. The letter was addressed to the occupier of the house.
這封信是寫給這所房子的住戶的。
eg. I took the liberty of reading the letter, even though it was addressed to you.
盡管這封信是寫給你的，但是我冒昧地看過了。
6. be indebted to
感激的；感恩的；
eg. I am deeply indebted to him for his help.
我非常感激他對我的幫助。
eg. He'll always be indebted to you for what you have done.
對于你所做的事情，他會一直感激你。
7. in some ways
（某個）方面；（某）點；
eg. These paintings are in some ways a reminder that earthly pleasures are ephemeral.
這些畫在某種意義上提醒人們世俗的享樂是短暫的。
eg. This story reminds me of another movie in some ways.
在某些方面，這個故事讓我想起了另一個電影。