“不但…而且…”递进
HSK 3
不但 + A + 而且 + B
递进关系，B 比 A 更进一步。
Examples
他不但聪明，而且努力。tā bù dàn cōng míng， ér qiě nǔ lì。
He is not only smart but also hardworking.
这儿不但风景好，而且人少。zhè ér bù dàn fēng jǐng hǎo， ér qiě rén shǎo。
The scenery here is not only beautiful but also uncrowded.
她不但会唱歌，而且会跳舞。tā bù dàn huì chàng gē， ér qiě huì tiào wǔ。
She can not only sing but also dance.
