xiào wán yǐhòu yào mǎshàng huí dào zhǔtí suǒyǐ wǒmen xiǎng ràng shū jìxù bèi shǐyòng

笑完以后，要马上回到主题：“所以我们想让书继续被使用。

After laughing, immediately return to the topic: 'So we want the book to continue being used.'