英语中并列连词，包括and ，or，but.
都可以连接两个动词，构成上双谓语。
Give me liberty, or give me death!
不自由，毋宁死！
We failed.but tried.
吾等屡败屡战！
or, but并列连词，与and功能相同，可以连接并列成分或者是句子。
He stays home and watches TV.
The child read the story but did not understand its meaning.
He painted or read all week.
可以
and 表示 顺承
or表示 选择
but表示转折
如
She can read and write.
You can stay at home or go out.
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