copy the song,it\'s not than long.

copy the song,it\'s not than long.
copy the song,it\'s not than long.

copy the song,it\'s not than long.
不是than 是that 吧.
如果是that 的话
“把这首歌抄一遍,它不是（你想象的）那么长” 括号里的画外音 可省略