circulation

/ˈsərkjəˌleɪʃən/

the dissemination of copies of periodicals (as newspapers or magazines)

中文释义：发行量；流通；传播

The newspaper has a daily circulation of over 500,000 copies.

这家报纸的日发行量超过50万份。

The magazine's circulation has declined due to online competition.

由于网络竞争，该杂志的发行量下降了。