印数

yìn shù zēng duō

印数增多

increase the print run

yìn shù wǔ wàn cè

印数五万册

an impression of 50, 000 copies

yìn shù shǎo

印数少

limited impression

yìn shù dà

印数大

big printing

qù nián tuī chū zhè běn shū de píng zhuāng běn shǒu cì yìn shù wéi qī qiān cè

去年推出这本书的平装本，首次印数为七千册。

It was launched last year in paperback with an initial print run of 7,000 copies.