The database could be used as a teaching resource in colleges.
數據庫可以用作大學里的一種教學輔助手段。
I think we could all use a drink after that!
我想我們在事情辦完之后都得痛快地喝一杯。
He could just make out three people through the mist.
透過薄霧他勉強能看出有三個人。
The operation could prolong his life by two or three years.
這次手術可使他多活兩三年。
Only with a few people could she be her real self.
只有和幾個人在一起時，她才能表現出真實的自我。