補充說明
east(東)， west(西)，south(南)， north(北)
southeast(東南)， southwest(西南)， northeast(東北)， northwest(西北)
eastern(東方的)， western(西方的)，southern(南方的)， northern(北方的)
news 來自四方的消息
the Far East (遠東 )， the Middle East (中東)， the North Pole (北極)
the South Pole (南極) ，the West (西方歐美各國) England is a country in the West.
East or West, home is best. (金窩，銀窩，不如自己的狗窩)
Go north for three miles.
Canada is in North America.
The sun rises in the east and sets in the west. (太陽在東方升起，西方落下。)
Should +現在完成式，表示過去應該做但未做之事。
You should have washed your car this morning.
