不是;is not 的常用口语形式
英文例句/中文翻译:
In essence, your situation isn't so different from mine.
从本质上讲,你我的情况并非相差很远。
His work isn't up to much.
他的活儿做得不怎么样。
Life isn't like in the movies, you know.
你知道,生活不像在电影里那样。