Lǎoshī yào wǒmen wēngù'érzhīxīn, měizhōu fùxí yí cì jiù zhīshi.
The teacher wants us to 'review the old to know the new' by going back over prior material each week.
Zài dú yí biàn zhè běnshū, wēngù'érzhīxīn, zǒng yǒu xīn de tǐhuì.
Re-reading this book always brings fresh insights — reviewing old things yields something new.
