Print book sales soar in year's first half: "Print sales finished 2020 up 8.2% over 2019, and that strong performance continued into 2021, with units jumping 18.5% in the first six months over the comparable period in 2020"
from /r/books
今年上半年印刷书销售量飙升。"印刷品销售在2020年结束时比2019年增长了8.2%，这种强劲的表现持续到2021年，前六个月的单位比2020年的可比时期跃升了18.5%"